The Oniguruma regular expressions library, notably used in PHP mbstring, is vulnerable to stack exhaustion. A crafted regular expression can crash the process.

For Debian 8 'Jessie', this problem has been fixed in version 5.9.5-3.2+deb8u3.

We recommend that you upgrade your libonig packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

oniguruma security fix bugport, including fix for CVE-2019-16163 and bugs found on PHP.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0409 advisory.

    Oniguruma is a regular expressions library that supports a variety of character encodings.

    Security Fix(es):

    * oniguruma: Use-after-free in onig_new_deluxe() in regext.c (CVE-2019-13224)

    * oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c (CVE-2019-16163)

    * oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read     (CVE-2019-19012)

    * oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c     (CVE-2019-19203)

    * oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c     (CVE-2019-19204)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0076 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2019-13224:
    A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause     information disclosure, denial of service, or possibly code execution by providing a crafted regular     expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that     gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional     libraries for PHP and Rust.

    CVE-2019-16163:
    Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.

    CVE-2019-19012:
    An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads     to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only     affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information     disclosure, or possibly have unspecified other impact, via a crafted regular expression.

    CVE-2019-19203:
    An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file     gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string.
    This leads to a heap-based buffer over-read.

    CVE-2019-19204:
    An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier     (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This     leads to a heap-based buffer over-read.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the oniguruma package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Oniguruma before 6.9.3 allows Stack Exhaustion in     regcomp.c because of recursion in     regparse.c.(CVE-2019-16163)

  - An issue was discovered in Oniguruma 6.x before     6.9.4_rc2. In the function gb18030_mbc_enc_len in file     gb18030.c, a UChar pointer is dereferenced without     checking if it passed the end of the matched string.
    This leads to a heap-based buffer     over-read.(CVE-2019-19203)

  - An issue was discovered in Oniguruma 6.x before     6.9.4_rc2. In the function fetch_interval_quantifier     (formerly known as fetch_range_quantifier) in     regparse.c, PFETCH is called without checking PEND.
    This leads to a heap-based buffer     over-read.(CVE-2019-19204)

  - Oniguruma through 6.9.3, as used in PHP 7.3.x and other     products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c.(CVE-2019-19246)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:3662 advisory.

  - php: Out-of-bounds read due to integer overflow in iconv_mime_decode_headers() (CVE-2019-11039)

  - php: Buffer over-read in exif_read_data() (CVE-2019-11040)

  - php: Heap buffer over-read in exif_scan_thumbnail() (CVE-2019-11041)

  - php: Heap buffer over-read in exif_process_user_comment() (CVE-2019-11042)

  - php: DirectoryIterator class accepts filenames with embedded \0 byte and treats them as terminating at     that byte (CVE-2019-11045)

  - php: Information disclosure in exif_read_data() (CVE-2019-11047)

  - php: Integer wraparounds when receiving multipart forms (CVE-2019-11048)

  - php: Out of bounds read when parsing EXIF information (CVE-2019-11050)

  - oniguruma: Use-after-free in onig_new_deluxe() in regext.c (CVE-2019-13224)

  - oniguruma: NULL pointer dereference in match_at() in regexec.c (CVE-2019-13225)

  - oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c (CVE-2019-16163)

  - oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c (CVE-2019-19203)

  - oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c     (CVE-2019-19204)

  - oniguruma: Heap-based buffer overflow in str_lower_case_match in regexec.c (CVE-2019-19246)

  - pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode (CVE-2019-20454)

  - php: Out of bounds read in php_strip_tags_ex (CVE-2020-7059)

  - php: Global buffer-overflow in mbfl_filt_conv_big5_wchar function (CVE-2020-7060)

  - php: NULL pointer dereference in PHP session upload progress (CVE-2020-7062)

  - php: Files added to tar with Phar::buildFromIterator have all-access permissions (CVE-2020-7063)

  - php: Information disclosure in exif_read_data() function (CVE-2020-7064)

  - php: Using mb_strtolower() function with UTF-32LE encoding leads to potential code execution     (CVE-2020-7065)

  - php: Information disclosure in function get_headers (CVE-2020-7066)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the php packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - An issue was discovered in Oniguruma 6.x before     6.9.4_rc2. In the function fetch_interval_quantifier     (formerly known as fetch_range_quantifier) in     regparse.c, PFETCH is called without checking PEND.
    This leads to a heap-based buffer     over-read.(CVE-2019-19204)

  - Oniguruma before 6.9.3 allows Stack Exhaustion in     regcomp.c because of recursion in     regparse.c.(CVE-2019-16163)

  - Oniguruma through 6.9.3, as used in PHP 7.3.x and other     products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c.(CVE-2019-19246)

  - PHP through 7.1.11 enables potential SSRF in     applications that accept an fsockopen or pfsockopen     hostname argument with an expectation that the port     number is constrained. Because a :port syntax is     recognized, fsockopen will use the port number that is     specified in the hostname argument, instead of the port     number in the second argument of the     function.(CVE-2017-7272)

  - In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13     and 7.4.0, PHP DirectoryIterator class accepts     filenames with embedded \0 byte and treats them as     terminating at that byte. This could lead to security     vulnerabilities, e.g. in applications checking paths     that the code is allowed to access.(CVE-2019-11045)

  - In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13     and 7.4.0, PHP bcmath extension functions on some     systems, including Windows, can be tricked into reading     beyond the allocated space by supplying it with string     containing characters that are identified as numeric by     the OS but aren't ASCII numbers. This can read to     disclosure of the content of some memory     locations.(CVE-2019-11046)

  - When PHP EXIF extension is parsing EXIF information     from an image, e.g. via exif_read_data() function, in     PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and     7.4.0 it is possible to supply it with data what will     cause it to read past the allocated buffer. This may     lead to information disclosure or     crash.(CVE-2019-11047)

  - When PHP EXIF extension is parsing EXIF information     from an image, e.g. via exif_read_data() function, in     PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and     7.4.0 it is possible to supply it with data what will     cause it to read past the allocated buffer. This may     lead to information disclosure or     crash.(CVE-2019-11050)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the php packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - When PHP EXIF extension is parsing EXIF information     from an image, e.g. via exif_read_data() function, in     PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and     7.4.0 it is possible to supply it with data what will     cause it to read past the allocated buffer. This may     lead to information disclosure or     crash.(CVE-2019-11050)

  - In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13     and 7.4.0, PHP bcmath extension functions on some     systems, including Windows, can be tricked into reading     beyond the allocated space by supplying it with string     containing characters that are identified as numeric by     the OS but aren't ASCII numbers. This can read to     disclosure of the content of some memory     locations.(CVE-2019-11046)

  - In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13     and 7.4.0, PHP DirectoryIterator class accepts     filenames with embedded \0 byte and treats them as     terminating at that byte. This could lead to security     vulnerabilities, e.g. in applications checking paths     that the code is allowed to access.(CVE-2019-11045)

  - When PHP EXIF extension is parsing EXIF information     from an image, e.g. via exif_read_data() function, in     PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and     7.4.0 it is possible to supply it with data what will     cause it to read past the allocated buffer. This may     lead to information disclosure or     crash.(CVE-2019-11047)

  - PHP through 7.1.11 enables potential SSRF in     applications that accept an fsockopen or pfsockopen     hostname argument with an expectation that the port     number is constrained. Because a :port syntax is     recognized, fsockopen will use the port number that is     specified in the hostname argument, instead of the port     number in the second argument of the     function.(CVE-2017-7272)

  - Oniguruma before 6.9.3 allows Stack Exhaustion in     regcomp.c because of recursion in     regparse.c.(CVE-2019-16163)

  - Oniguruma through 6.9.3, as used in PHP 7.3.x and other     products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c.(CVE-2019-19246)

  - An issue was discovered in Oniguruma 6.x before     6.9.4_rc2. In the function fetch_interval_quantifier     (formerly known as fetch_range_quantifier) in     regparse.c, PFETCH is called without checking PEND.
    This leads to a heap-based buffer     over-read.(CVE-2019-19204)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0889 advisory.

    Oniguruma is a regular expressions library that supports a variety of character encodings.

    Security Fix(es):

    * oniguruma: Use-after-free in onig_new_deluxe() in regext.c (CVE-2019-13224)

    * oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c (CVE-2019-16163)

    * oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read     (CVE-2019-19012)

    * oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c     (CVE-2019-19203)

    * oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c     (CVE-2019-19204)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3327-1 advisory.

  - A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause     information disclosure, denial of service, or possibly code execution by providing a crafted regular     expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that     gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional     libraries for PHP and Rust. (CVE-2019-13224)

  - Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.
    (CVE-2019-16163)

  - An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file     gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string.
    This leads to a heap-based buffer over-read. (CVE-2019-19203)

  - An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier     (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This     leads to a heap-based buffer over-read. (CVE-2019-19204)

  - Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c. (CVE-2019-19246)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - An issue was discovered in Oniguruma 6.x before     6.9.4_rc2. In the function fetch_interval_quantifier     (formerly known as fetch_range_quantifier) in     regparse.c, PFETCH is called without checking PEND.
    This leads to a heap-based buffer     over-read.(CVE-2019-19204)

  - Oniguruma before 6.9.3 allows Stack Exhaustion in     regcomp.c because of recursion in     regparse.c.(CVE-2019-16163)

  - Oniguruma through 6.9.3, as used in PHP 7.3.x and other     products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c.(CVE-2019-19246)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ruby packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - Oniguruma before 6.9.3 allows Stack Exhaustion in     regcomp.c because of recursion in     regparse.c(CVE-2019-16163)

  - Oniguruma through 6.9.3, as used in PHP 7.3.x and other     products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c.(CVE-2019-19246)

  - An out-of-bounds read vulnerability was found in     Oniguruma in the way it handled regular expression     quantifiers. A remote attacker could abuse this flaw by     providing a malformed regular expression that, when     processed by an application linked to Oniguruma, could     possibly crash the application, resulting in a denial     of service.(CVE-2019-19204)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0889 advisory.

    - Fix CVE-2019-13224       Resolves: RHEL-6970
    - Fix CVE-2019-16163       Resolves: RHEL-9506
    - Fix CVE-2019-19012       Resolves: RHEL-9511
    - Fix CVE-2019-19203       Resolves: RHEL-9510

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of oniguruma installed on the remote host is prior to 5.9.6-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1380 advisory.

    Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.
    (CVE-2019-16163)

    Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in     str_lower_case_match in regexec.c.(CVE-2019-19246)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the oniguruma package has been released.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3662 advisory.

    PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.

    The following packages have been upgraded to a later upstream version: php (7.3.20). (BZ#1856655)

    Security Fix(es):

    * php: Out-of-bounds read due to integer overflow in iconv_mime_decode_headers() (CVE-2019-11039)

    * php: Buffer over-read in exif_read_data() (CVE-2019-11040)

    * php: DirectoryIterator class accepts filenames with embedded \0 byte and treats them as terminating at     that byte (CVE-2019-11045)

    * php: Information disclosure in exif_read_data() (CVE-2019-11047)

    * php: Integer wraparounds when receiving multipart forms (CVE-2019-11048)

    * oniguruma: Use-after-free in onig_new_deluxe() in regext.c (CVE-2019-13224)

    * oniguruma: NULL pointer dereference in match_at() in regexec.c (CVE-2019-13225)

    * oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c (CVE-2019-16163)

    * oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c     (CVE-2019-19203)

    * oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c     (CVE-2019-19204)

    * pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode (CVE-2019-20454)

    * php: Out of bounds read in php_strip_tags_ex (CVE-2020-7059)

    * php: Global buffer-overflow in mbfl_filt_conv_big5_wchar function (CVE-2020-7060)

    * php: NULL pointer dereference in PHP session upload progress (CVE-2020-7062)

    * php: Files added to tar with Phar::buildFromIterator have all-access permissions (CVE-2020-7063)

    * php: Information disclosure in exif_read_data() function (CVE-2020-7064)

    * php: Using mb_strtolower() function with UTF-32LE encoding leads to potential code execution     (CVE-2020-7065)

    * php: Heap buffer over-read in exif_scan_thumbnail() (CVE-2019-11041)

    * php: Heap buffer over-read in exif_process_user_comment() (CVE-2019-11042)

    * php: Out of bounds read when parsing EXIF information (CVE-2019-11050)

    * oniguruma: Heap-based buffer overflow in str_lower_case_match in regexec.c (CVE-2019-19246)

    * php: Information disclosure in function get_headers (CVE-2020-7066)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名稱	產品	系列	已發布	已更新	嚴重性
128778	Debian DLA-1918-1 : libonig security update	Nessus	Debian Local Security Checks	2019/9/16	2024/4/26	high
131172	Fedora 30 : oniguruma (2019-e4819c6510)	Nessus	Fedora Local Security Checks	2019/11/21	2024/4/10	high
189542	RHEL 8 : oniguruma (RHSA-2024:0409)	Nessus	Red Hat Local Security Checks	2024/1/25	2024/11/7	critical
236383	Alibaba Cloud Linux 3 : 0076: oniguruma (ALINUX3-SA-2024:0076)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	critical
132612	EulerOS 2.0 SP8 : oniguruma (EulerOS-SA-2020-1019)	Nessus	Huawei Local Security Checks	2020/1/2	2024/4/1	high
145957	CentOS 8 : php:7.3 (CESA-2020:3662)	Nessus	CentOS Local Security Checks	2021/2/1	2024/1/24	critical
134006	EulerOS 2.0 SP8 : php (EulerOS-SA-2020-1172)	Nessus	Huawei Local Security Checks	2020/2/25	2024/3/26	high
135137	EulerOS Virtualization for ARM 64 3.0.6.0 : php (EulerOS-SA-2020-1350)	Nessus	Huawei Local Security Checks	2020/4/2	2024/3/20	high
190768	RHEL 8 : oniguruma (RHSA-2024:0889)	Nessus	Red Hat Local Security Checks	2024/2/20	2025/3/13	critical
165304	SUSE SLED15 / SLES15 Security Update : oniguruma (SUSE-SU-2022:3327-1)	Nessus	SuSE Local Security Checks	2022/9/22	2023/11/8	critical
134012	EulerOS 2.0 SP8 : ruby (EulerOS-SA-2020-1178)	Nessus	Huawei Local Security Checks	2020/2/25	2024/3/26	high
135126	EulerOS Virtualization for ARM 64 3.0.6.0 : ruby (EulerOS-SA-2020-1339)	Nessus	Huawei Local Security Checks	2020/4/2	2024/3/20	high
190822	Oracle Linux 8 : oniguruma (ELSA-2024-0889)	Nessus	Oracle Linux Local Security Checks	2024/2/20	2025/9/9	critical
132735	Amazon Linux 2 : oniguruma (ALAS-2020-1380)	Nessus	Amazon Linux Local Security Checks	2020/1/9	2024/12/11	critical
132975	Photon OS 2.0: Oniguruma PHSA-2019-2.0-0196	Nessus	PhotonOS Local Security Checks	2020/1/16	2024/7/22	critical
140396	RHEL 8 : php:7.3 (RHSA-2020:3662)	Nessus	Red Hat Local Security Checks	2020/9/8	2025/3/13	critical

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