The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2598-1 advisory.

  - A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of     Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further     memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a     malicious webpage. (CVE-2021-21775)

  - A use-after-free vulnerability exists in the way Webkit's GraphicsContext handles certain events in     WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory     corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
    (CVE-2021-21779)

  - An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and     iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted     web content may lead to arbitrary code execution. (CVE-2021-30663)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS     7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30665)

  - A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content     may lead to universal cross site scripting. (CVE-2021-30689)

  - A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access     restricted ports on arbitrary servers. (CVE-2021-30720)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in     tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing     maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30734, CVE-2021-30749)

  - Description: A cross-origin issue with iframe elements was addressed with improved tracking of security     origins. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4,     watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.
    (CVE-2021-30744)

  - A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari     14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to     arbitrary code execution. (CVE-2021-30758)

  - A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7,     Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-30795)

  - This issue was addressed with improved checks. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big     Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to code execution.
    (CVE-2021-30797)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS     14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing     maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30799)

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 SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2762-1 advisory.

  - A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of     Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further     memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a     malicious webpage. (CVE-2021-21775)

  - A use-after-free vulnerability exists in the way Webkit's GraphicsContext handles certain events in     WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory     corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
    (CVE-2021-21779)

  - An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and     iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted     web content may lead to arbitrary code execution. (CVE-2021-30663)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS     7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30665)

  - A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content     may lead to universal cross site scripting. (CVE-2021-30689)

  - A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access     restricted ports on arbitrary servers. (CVE-2021-30720)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in     tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing     maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30734, CVE-2021-30749)

  - Description: A cross-origin issue with iframe elements was addressed with improved tracking of security     origins. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4,     watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.
    (CVE-2021-30744)

  - A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari     14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to     arbitrary code execution. (CVE-2021-30758)

  - A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7,     Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-30795)

  - This issue was addressed with improved checks. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big     Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to code execution.
    (CVE-2021-30797)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS     14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing     maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30799)

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

The remote NewStart CGSL host, running version MAIN 6.02, has webkit2gtk3 packages installed that are affected by multiple vulnerabilities:

  - A use-after-free issue was found in the AudioSourceProviderGStreamer class of WebKitGTK and WPE WebKit in     versions prior to 2.30.5. Processing maliciously crafted web content may lead to arbitrary code execution.
    The highest threat from this vulnerability is to data confidentiality and integrity as well as system     availability. (CVE-2020-13558)

  - A use-after-free issue was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. Processing     maliciously crafted web content may lead to arbitrary code execution. The highest threat from this     vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-27918)

  - A flaw was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. A user may be unable to fully     delete the browsing history under some circumstances. The highest threat from this vulnerability is to     data confidentiality. (CVE-2020-29623)

  - A flaw was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. Maliciously crafted web content     may violate the iframe sandboxing policy. The highest threat from this vulnerability is to data integrity.
    (CVE-2021-1765, CVE-2021-1801)

  - A use-after-free issue was found in WebKitGTK and WPE WebKit in versions prior to 2.32.0. Processing     maliciously crafted web content may lead to arbitrary code execution. The highest threat from this     vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-1788)

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
152202	SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2021:2598-1)	Nessus	SuSE Local Security Checks	2021/8/4	2023/7/13	high
152656	SUSE SLES15 Security Update : webkit2gtk3 (SUSE-SU-2021:2762-1)	Nessus	SuSE Local Security Checks	2021/8/18	2023/7/13	high
206839	NewStart CGSL MAIN 6.02 : webkit2gtk3 Multiple Vulnerabilities (NS-SA-2024-0053)	Nessus	NewStart CGSL Local Security Checks	2024/9/10	2024/9/10	critical
241427	RHEL 7 : webkitgtk4 (RHSA-2025:10364)	Nessus	Red Hat Local Security Checks	2025/7/7	2025/9/24	critical

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