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

    REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that     has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to     fix the vulnerability.(CVE-2024-41946)

     REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as ``, `0` and `%`. If you need to parse untrusted     XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to     fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing     untrusted XML strings.(CVE-2024-39908)

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.(CVE-2024-43398)

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as whitespace character, `]` and `]`. The REXML gem     3.3.3 or later include the patches to fix these vulnerabilities.(CVE-2024-41123)

Tenable has extracted the preceding description block directly from the EulerOS ruby 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 ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.(CVE-2024-43398)

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as whitespace character, `]` and `]`. The REXML gem     3.3.3 or later include the patches to fix these vulnerabilities.(CVE-2024-41123)

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as ``, `0` and `%`. If you need to parse untrusted     XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to     fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing     untrusted XML strings.(CVE-2024-39908)

    REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that     has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to     fix the vulnerability.(CVE-2024-41946)

Tenable has extracted the preceding description block directly from the EulerOS ruby 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 Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7418-1 advisory.

    It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML     characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash,     resulting in a denial of service. This issue only affected in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and     Ubuntu 24.10. (CVE-2024-35176, CVE-2024-39908, CVE-2024-41123, CVE-2024-43398)

    It was discovered that Ruby incorrectly handled expanding ranges in the net-imap response parser. If a     user or automated system were tricked into connecting to a malicious IMAP server, a remote attacker could     possibly use this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu     24.04 LTS, and Ubuntu 24.10. (CVE-2025-25186)

    It was discovered that the Ruby CGI gem incorrectly handled parsing certain cookies. A remote attacker     could possibly use this issue to consume resources, leading to a denial of service. (CVE-2025-27219)

    It was discovered that the Ruby CGI gem incorrectly handled parsing certain regular expressions. A remote     attacker could possibly use this issue to consume resources, leading to a denial of service.
    (CVE-2025-27220)

    It was discovered that the Ruby URI gem incorrectly handled certain URI handling methods. A remote     attacker could possibly use this issue to leak authentication credentials. (CVE-2025-27221)

Tenable has extracted the preceding description block directly from the Ubuntu 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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:4488 advisory.

    Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text     files and to perform system management tasks.

    Security Fix(es):

    * rexml: DoS vulnerability in REXML (CVE-2024-39908)

    * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace     character, >] and ]> (CVE-2024-41123)

    * rexml: DoS vulnerability in REXML (CVE-2024-41946)

    * rexml: DoS vulnerability in REXML (CVE-2024-43398)

    * CGI: ReDoS in CGI::Util#escapeElement (CVE-2025-27220)

    * CGI: Denial of Service in CGI::Cookie.parse (CVE-2025-27219)

    * uri: userinfo leakage in URI#join, URI#merge and URI#+ (CVE-2025-27221)

    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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-4488 advisory.

    ruby     [3.1.7-146]
    - Upgrade to Ruby 3.1.7.
      Resolves: RHEL-55410
    - Fix DoS vulnerability in REXML. (CVE-2024-39908)       Resolves: RHEL-86077

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 remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:4488 advisory.

    * rexml: DoS vulnerability in REXML (CVE-2024-39908)

    * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace     character, >] and ]> (CVE-2024-41123)

    * rexml: DoS vulnerability in REXML (CVE-2024-41946)

    * rexml: DoS vulnerability in REXML (CVE-2024-43398)

    * CGI: ReDoS in CGI::Util#escapeElement (CVE-2025-27220)

    * CGI: Denial of Service in CGI::Cookie.parse (CVE-2025-27219)

    * uri: userinfo leakage in URI#join, URI#merge and URI#+ (CVE-2025-27221)

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

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

遠端 Oracle Linux 8 主機中安裝的套件受到 ELSA-2024-6670 公告中提及的多個弱點影響。

    [0.10.18-2.0.1.el8_10.2]
    - 將 HAM-logo.png 取代為通用標誌

    [0.10.18-2.el8_10.2]
    - 更新版 rubygem rexml 解決：RHEL-52409、RHEL-52788、RHEL-55997

Tenable 已直接從 Oracle Linux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 AlmaLinux 8 主機已安裝受到多個弱點影響的套件如 ALSA-2024:6784 公告中所提及。

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-39908)
    * rexml：rubygem-rexml：剖析具有許多特定字元 (例如，空白字元、>] 和 ]> ) 的 XML 時會發生 DoS (CVE-2024-41123)
    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-41946)
    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-43398)

Tenable 已直接從 AlmaLinux 安全性公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Redhat Enterprise Linux 8 主機上安裝的套件受到 RHSA-2024:6784 公告中提及的多個弱點影響。

    Ruby 是可延伸的解譯式物件導向指令碼語言。它具有處理文字檔案及執行系統管理工作的功能。

    安全性修正：

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-39908)

    * rexml：rubygem-rexml：剖析具有許多特定字元 (例如，空白字元、>] 和 ]> ) 的 XML 時會發生 DoS (CVE-2024-41123)

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-41946)

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-43398)

    如需安全性問題的詳細資料，包括影響、CVSS 評分、致謝及其他相關資訊，請參閱〈參照〉一節列出的 CVE 頁面。

Tenable 已直接從 Red Hat Enterprise Linux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Ubuntu 20.04 LTS/22.04 LTS/24.04 LTS/24.10 主機上安裝的套件受到 USN-7418-1 公告中所提及的多個弱點影響。

    據發現，Ruby 未正確處理使用 REXML gem 的屬性值中具有特定 XML 字元的 XML 文件剖析。攻擊者可利用此問題造成 Ruby 當機，進而導致拒絕服務。此問題僅影響了 Ubuntu 22.04 LTS、Ubuntu 24.04 LTS 和 Ubuntu 24.10。(CVE-2024-35176、CVE-2024-39908、CVE-2024-41123、CVE-2024-43398)

    據發現，Ruby 未正確處理 net-imap 回應剖析器中的擴充範圍。如果使用者或自動化系統遭誘騙而連線至惡意 IMAP 伺服器，遠端攻擊者可能利用此問題消耗記憶體，造成拒絕服務。此問題僅影響了 Ubuntu 24.04 LTS 和 Ubuntu 24.10。(CVE-2025-25186)

    據發現，Ruby CGI gem 未正確處理某些 cookie。遠端攻擊者可能會利用此問題耗用資源，進而導致拒絕服務。(CVE-2025-27219)

    據發現，Ruby CGI gem 未正確處理某些規則運算式的剖析。遠端攻擊者可能會利用此問題耗盡資源，進而導致拒絕服務。
    (CVE-2025-27220)

    據發現，Ruby URI gem 未正確處理某些 URI 處理方法。遠端攻擊者可能會利用此問題洩漏驗證憑證。(CVE-2025-27221)

Tenable 已直接從 Ubuntu 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Redhat Enterprise Linux 9 主機上安裝的多個套件受到 RHSA-2025:4488 公告中提及的多個弱點影響。

    Ruby 是可延伸的解譯式物件導向指令碼語言。它具有處理文字檔案及執行系統管理工作的功能。

    安全性修正：

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-39908)

    * rexml：rubygem-rexml：剖析具有許多特定字元 (例如，空白字元、>] 和 ]> ) 的 XML 時會發生 DoS (CVE-2024-41123)

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-41946)

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-43398)

    * CGICGI::Util#escapeElement 中的 ReDoS (CVE-2025-27220)

    * CGICGI::Cookie.parse 中的拒絕服務 (CVE-2025-27219)

    * uriURI#join、URI#merge 和 URI#+ 中的使用者資訊洩漏 (CVE-2025-27221)

    如需安全性問題的詳細資料，包括影響、CVSS 分數、致謝及其他相關資訊，請參閱〈參照〉一節列出的 CVE 頁面。

Tenable 已直接從 Red Hat Enterprise Linux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Oracle Linux 9 主機中安裝的套件受到 ELSA-2025-4488 公告中提及的多個弱點影響。

    ruby [3.1.7-146]
    - 升級至 Ruby 3.1.7。
      解決：RHEL-55410
    - 修正 REXML 中的 DoS 弱點。 (CVE-2024-39908) 解決 RHEL-86077

Tenable 已直接從 Oracle Linux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 RockyLinux 9 主機已安裝受到多個弱點影響的套件如 RLSA-2025:4488 公告中所提及。

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-39908)

    * rexml：rubygem-rexml：剖析具有許多特定字元 (例如，空白字元、>] 和 ]> ) 的 XML 時會發生 DoS (CVE-2024-41123)

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-41946)

    * rexml -- REXML 中的 DoS 弱點 (CVE-2024-43398)

    * CGI：CGI::Util#escapeElement 中的 ReDoS (CVE-2025-27220)

    * CGI：CGI::Cookie.parse 中的拒絕服務 (CVE-2025-27219)

    * uriURI#join、URI#merge 和 URI#+ 中的使用者資訊洩漏 (CVE-2025-27221)

Tenable 已直接從 RockyLinux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - REXML 是適用於 Ruby 的 XML 工具組。REXML gem 3.3.2 之前版本在剖析具有許多特定字元 (例如空白字元、「>」 和 「>」) 的 XML 時，會產生 DoS 弱點。REXML gem 3.3.3 或更新版本包含可修正這些弱點的修補程式。(CVE-2024-41123)

請注意，Nessus 依賴供應商報告的套件存在。

ID	名稱	產品	系列	已發布	已更新	嚴重性
212654	EulerOS 2.0 SP11 : ruby (EulerOS-SA-2024-2972)	Nessus	Huawei Local Security Checks	2024/12/12	2024/12/23	high
214156	EulerOS 2.0 SP9 : ruby (EulerOS-SA-2025-1063)	Nessus	Huawei Local Security Checks	2025/1/14	2025/1/14	high
233968	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Ruby vulnerabilities (USN-7418-1)	Nessus	Ubuntu Local Security Checks	2025/4/7	2025/9/3	high
235165	RHEL 9 : ruby:3.1 (RHSA-2025:4488)	Nessus	Red Hat Local Security Checks	2025/5/6	2025/6/5	high
235375	Oracle Linux 9 : ruby:3.1 (ELSA-2025-4488)	Nessus	Oracle Linux Local Security Checks	2025/5/6	2025/9/11	high
243116	RockyLinux 9 : ruby:3.1 (RLSA-2025:4488)	Nessus	Rocky Linux Local Security Checks	2025/7/30	2025/7/30	high
207335	Oracle Linux 8：pcs (ELSA-2024-6670)	Nessus	Oracle Linux Local Security Checks	2024/9/17	2025/9/11	high
207533	AlmaLinux 8 : ruby:3.3 (ALSA-2024:6784)	Nessus	Alma Linux Local Security Checks	2024/9/20	2025/1/13	high
210480	RHEL 8：ruby:3.3 (RHSA-2024:6784)	Nessus	Red Hat Local Security Checks	2024/11/7	2025/3/11	high
233968	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Ruby 弱點 (USN-7418-1)	Nessus	Ubuntu Local Security Checks	2025/4/7	2025/9/3	high
235165	RHEL 9 : ruby:3.1 (RHSA-2025:4488)	Nessus	Red Hat Local Security Checks	2025/5/6	2025/6/5	high
235375	Oracle Linux 9：ruby:3.1 (ELSA-2025-4488)	Nessus	Oracle Linux Local Security Checks	2025/5/6	2025/9/11	high
243116	RockyLinux 9ruby:3.1 (RLSA-2025:4488)	Nessus	Rocky Linux Local Security Checks	2025/7/30	2025/7/30	high
229316	Linux Distros 未修補的弱點：CVE-2024-41123	Nessus	Misc.	2025/3/5	2025/10/28	high

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