RHSA-2026:95520: Critical: webkit2gtk3 security, bug fix, and enhancement update

Published Nov 5, 2026
·
Updated

Critical: webkit2gtk3 security, bug fix, and enhancement update

Other sources

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.Security Fix(es): chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read (CVE-2026-87596) chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via crafted HTML page (CVE-2026-87500) chromium-browser: angle: Chromium: Arbitrary code execution via buffer overflow in ANGLE (CVE-2026-87654) chromium-browser: angle: Google Chrome (ANGLE): Arbitrary Code Execution vulnerability (CVE-2026-87621) chromium-browser: angle: Chromium-browser: Arbitrary code execution via use-after-free vulnerability in ANGLE (CVE-2026-87512) chromium-browser: angle: ANGLE: Arbitrary code execution in Google Chrome due to use-after-free (CVE-2026-87648) chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87602) chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87586) chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via out-of-bounds read (CVE-2026-87604) chromium-browser: angle: chromium-browser: Improper input validation in ANGLE (CVE-2026-91738) chromium-browser: angle: chromium-browser: Uninitialized resource in ANGLE (CVE-2026-91720) Bug Fix(es) and Enhancement(s): webkit2gtk3 2.54.0 regression breaks Eclipse IDE WebKit-based views on CentOS Stream 9 [rhel-9.4.z] (JIRA:RHEL-274391) 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.

— Red Hat

Affected Software

45 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
redhat/webkit2gtk3<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-debugsource<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-debugsource<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-devel<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-devel<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-devel-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-devel-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-devel<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-devel<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-devel-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-devel-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-debugsource<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-devel<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-devel-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-devel<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3-jsc-devel-debuginfo<2.54.1-1.el9_4
2.54.1-1.el9_4
redhat/webkit2gtk3<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-debuginfo<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-debugsource<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-devel<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-devel-debuginfo<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-jsc<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-jsc-debuginfo<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-jsc-devel<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa
redhat/webkit2gtk3-jsc-devel-debuginfo<2.54.1-1.el9_4.aa
2.54.1-1.el9_4.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/webkit2gtk3 to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  2. Upgrade

    Upgrade redhat/webkit2gtk3-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  3. Upgrade

    Upgrade redhat/webkit2gtk3-debugsource to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  4. Upgrade

    Upgrade redhat/webkit2gtk3-devel to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  5. Upgrade

    Upgrade redhat/webkit2gtk3-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  6. Upgrade

    Upgrade redhat/webkit2gtk3-jsc to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  7. Upgrade

    Upgrade redhat/webkit2gtk3-jsc-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  8. Upgrade

    Upgrade redhat/webkit2gtk3-jsc-devel to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  9. Upgrade

    Upgrade redhat/webkit2gtk3-jsc-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4
  10. Upgrade

    Upgrade redhat/webkit2gtk3 to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  11. Upgrade

    Upgrade redhat/webkit2gtk3-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  12. Upgrade

    Upgrade redhat/webkit2gtk3-debugsource to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  13. Upgrade

    Upgrade redhat/webkit2gtk3-devel to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  14. Upgrade

    Upgrade redhat/webkit2gtk3-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  15. Upgrade

    Upgrade redhat/webkit2gtk3-jsc to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  16. Upgrade

    Upgrade redhat/webkit2gtk3-jsc-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  17. Upgrade

    Upgrade redhat/webkit2gtk3-jsc-devel to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa
  18. Upgrade

    Upgrade redhat/webkit2gtk3-jsc-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.54.1-1.el9_4.aa

Event History

Nov 5, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:41 AM
Data Sourced
via Red Hat·11:41 AM
Severity

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