A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:69098 advisory.

    * chromium-browser: Skia in Google Chrome: Sandbox escape via crafted HTML page (CVE-2026-19154)

    * chromium-browser: skia: Skia: Sandbox escape via out-of-bounds write in Chromium (CVE-2026-19173)

    * chromium-browser: Skia in Google Chrome: Cross-origin data leakage via uninitialized use     (CVE-2026-19161)

    * chromium-browser: Skia: Arbitrary code execution via crafted HTML page (CVE-2026-19176)

    * chromium-browser: Chromium: Information leak allows web origin policy bypass (CVE-2026-76041)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28984)

    * webkitgtk: Visiting a website may lead to an app denial-of-service (CVE-2026-43804)

    * webkitgtk: Websites may know if the user has visited a given link (CVE-2026-64713)

    * webkitgtk: Maliciously crafted web content may violate iframe sandboxing policy (CVE-2026-64728)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination     (CVE-2026-64787)

    * webkitgtk: Visiting a website that frames malicious content may lead to UI spoofing (CVE-2026-64730)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64757)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64783)

    * webkitgtk: use-after-free of JSCValue function parameters (CVE-2026-78376)

    * chromium-browser: Skia: Information disclosure via out-of-bounds read in crafted media file     (CVE-2026-79020)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43795)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-64715)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64718)

    * webkitgtk: Visiting a maliciously crafted website may leak sensitive data (CVE-2026-64778)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64779)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64780)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64782)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64784)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65331)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65332)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65334)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65335)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65336)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65337)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65338)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65340)

    * webkitgtk: Processing maliciously crafted web content may lead to memory corruption (CVE-2026-65341)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65351)

    * webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature (CVE-2026-83596)

    * chromium-browser: skia: chromium-browser: Information leak in Skia (CVE-2026-84359)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination     (CVE-2026-84635)

    * webkitgtk: Processing maliciously crafted web content may disclose sensitive user information     (CVE-2026-64753)

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.

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:69098 advisory.

    * chromium-browser: Skia in Google Chrome: Sandbox escape via crafted HTML page (CVE-2026-19154)
      * chromium-browser: skia: Skia: Sandbox escape via out-of-bounds write in Chromium (CVE-2026-19173)
      * chromium-browser: Skia in Google Chrome: Cross-origin data leakage via uninitialized use     (CVE-2026-19161)
      * chromium-browser: Skia: Arbitrary code execution via crafted HTML page (CVE-2026-19176)
      * chromium-browser: Chromium: Information leak allows web origin policy bypass (CVE-2026-76041)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28984)
      * webkitgtk: Visiting a website may lead to an app denial-of-service (CVE-2026-43804)
      * webkitgtk: Websites may know if the user has visited a given link (CVE-2026-64713)
      * webkitgtk: Maliciously crafted web content may violate iframe sandboxing policy (CVE-2026-64728)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination     (CVE-2026-64787)
      * webkitgtk: Visiting a website that frames malicious content may lead to UI spoofing (CVE-2026-64730)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64757)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64783)
      * webkitgtk: use-after-free of JSCValue function parameters (CVE-2026-78376)
      * chromium-browser: Skia: Information disclosure via out-of-bounds read in crafted media file     (CVE-2026-79020)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43795)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-64715)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64718)
      * webkitgtk: Visiting a maliciously crafted website may leak sensitive data (CVE-2026-64778)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64779)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64780)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64782)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64784)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65331)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65332)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65334)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65335)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65336)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65337)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65338)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65340)
      * webkitgtk: Processing maliciously crafted web content may lead to memory corruption (CVE-2026-65341)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65351)
      * webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature     (CVE-2026-83596)
      * chromium-browser: skia: chromium-browser: Information leak in Skia (CVE-2026-84359)
      * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination     (CVE-2026-84635)
      * webkitgtk: Processing maliciously crafted web content may disclose sensitive user information     (CVE-2026-64753)

Tenable has extracted the preceding description block directly from the AlmaLinux 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-2026-69098 advisory.

    [2.52.5-1]
    - Update to 2.52.5

    [2.52.4-1]
    - Update to 2.52.4

    [2.52.3-1]
    - Update to 2.52.3

    [2.50.4-1]
    - Update to 2.50.4

    [2.50.3-1]
    - Update to 2.50.3

    [2.50.1-1]
    - Update to 2.50.1

    [2.50.0-1]
    - Update to 2.50.0

    [2.48.5-1]
    - Update to 2.48.5

    [2.48.3-1]
    - Update to 2.48.3

    [2.48.2-1]
    - Update to 2.48.2
    - Reenable JIT

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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:69098 advisory.

    WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

    Security Fix(es):

    * chromium-browser: Skia in Google Chrome: Sandbox escape via crafted HTML page (CVE-2026-19154)

    * chromium-browser: skia: Skia: Sandbox escape via out-of-bounds write in Chromium (CVE-2026-19173)

    * chromium-browser: Skia in Google Chrome: Cross-origin data leakage via uninitialized use     (CVE-2026-19161)

    * chromium-browser: Skia: Arbitrary code execution via crafted HTML page (CVE-2026-19176)

    * chromium-browser: Chromium: Information leak allows web origin policy bypass (CVE-2026-76041)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28984)

    * webkitgtk: Visiting a website may lead to an app denial-of-service (CVE-2026-43804)

    * webkitgtk: Websites may know if the user has visited a given link (CVE-2026-64713)

    * webkitgtk: Maliciously crafted web content may violate iframe sandboxing policy (CVE-2026-64728)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination     (CVE-2026-64787)

    * webkitgtk: Visiting a website that frames malicious content may lead to UI spoofing (CVE-2026-64730)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64757)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64783)

    * webkitgtk: use-after-free of JSCValue function parameters (CVE-2026-78376)

    * chromium-browser: Skia: Information disclosure via out-of-bounds read in crafted media file     (CVE-2026-79020)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43795)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-64715)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64718)

    * webkitgtk: Visiting a maliciously crafted website may leak sensitive data (CVE-2026-64778)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64779)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64780)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64782)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-64784)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65331)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65332)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65334)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65335)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65336)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65337)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65338)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65340)

    * webkitgtk: Processing maliciously crafted web content may lead to memory corruption (CVE-2026-65341)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-65351)

    * webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature (CVE-2026-83596)

    * chromium-browser: skia: chromium-browser: Information leak in Skia (CVE-2026-84359)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination     (CVE-2026-84635)

    * webkitgtk: Processing maliciously crafted web content may disclose sensitive user information     (CVE-2026-64753)

    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 version of webkitgtk4 installed on the remote host is prior to 2.52.6-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3917 advisory.

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari     26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing     maliciously crafted web content may lead to an unexpected process crash. (CVE-2026-64715)

    A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari     26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing     maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64779)

    The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS     18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may     lead to an unexpected Safari crash. (CVE-2026-64780)

    An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari     26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing     maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64784)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS     18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-65331)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS     18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-65333)

    A memory corruption issue was addressed with improved state management. This issue is fixed in Safari     26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing     maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-65334)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS     18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-65335)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS     18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-65336)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS     18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-65337)

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10     and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web     content may lead to an unexpected Safari crash. (CVE-2026-65338)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS     18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-65340)

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10     and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web     content may lead to memory corruption. (CVE-2026-65341)

    A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to     improper memory handling and result in memory corruption. (CVE-2026-78376)

    A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to     improper memory handling. (CVE-2026-83596)

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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to     improper memory handling. (CVE-2026-83596)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
349100	RockyLinux 9 : webkit2gtk3 (RLSA-2026:69098)	Nessus	Rocky Linux Local Security Checks	Local	critical
348734	AlmaLinux 9 : webkit2gtk3 (ALSA-2026:69098)	Nessus	Alma Linux Local Security Checks	Local	critical
348656	Oracle Linux 9 : webkit2gtk3 (ELSA-2026-69098)	Nessus	Oracle Linux Local Security Checks	Local	high
348598	RHEL 9 : webkit2gtk3 (RHSA-2026:69098)	Nessus	Red Hat Local Security Checks	Local	critical
345783	Amazon Linux 2 : webkitgtk4 (ALAS-2026-3917)	Nessus	Amazon Linux Local Security Checks	Local	high
341967	Linux Distros Unpatched Vulnerability : CVE-2026-83596	Nessus	Misc.	Local	high

Detections

Analytics

CVE-2026-83596

high

Tenable Plugins

critical

critical

high

critical

high

high