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Critical ALSA-2026:84583 11 CVEs

Critical: webkit2gtk3 security, bug fix, and enhancement update

Published Oct 19, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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 [almalinux-9.8.z] (JIRA:AlmaLinux-274394)

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.

Fixed packages 4

ReleasePackageFixed in
AlmaLinux · 9 webkit2gtk3 2.54.1-1.el9_8
AlmaLinux · 9 webkit2gtk3-devel 2.54.1-1.el9_8
AlmaLinux · 9 webkit2gtk3-jsc 2.54.1-1.el9_8
AlmaLinux · 9 webkit2gtk3-jsc-devel 2.54.1-1.el9_8

Vulnerabilities 11

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-87500
  • report
    https://access.redhat.com/security/cve/CVE-2026-87512
  • report
    https://access.redhat.com/security/cve/CVE-2026-87586
  • report
    https://access.redhat.com/security/cve/CVE-2026-87596
  • report
    https://access.redhat.com/security/cve/CVE-2026-87602
  • report
    https://access.redhat.com/security/cve/CVE-2026-87604
  • report
    https://access.redhat.com/security/cve/CVE-2026-87621
  • report
    https://access.redhat.com/security/cve/CVE-2026-87648
  • report
    https://access.redhat.com/security/cve/CVE-2026-87654
  • report
    https://access.redhat.com/security/cve/CVE-2026-91720
  • report
    https://access.redhat.com/security/cve/CVE-2026-91738
  • report
    https://bugzilla.redhat.com/2530272
  • report
    https://bugzilla.redhat.com/2530296
  • report
    https://bugzilla.redhat.com/2530305
  • report
    https://bugzilla.redhat.com/2530333
  • report
    https://bugzilla.redhat.com/2530389
  • report
    https://bugzilla.redhat.com/2530396
  • report
    https://bugzilla.redhat.com/2530447
  • report
    https://bugzilla.redhat.com/2530458
  • report
    https://bugzilla.redhat.com/2530475
  • report
    https://bugzilla.redhat.com/2534404
  • report
    https://bugzilla.redhat.com/2534673
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-84583.html