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OpenAdvisories
High 2 exploited CVEs ALSA-2025:23663 7 CVEs

Important: webkit2gtk3 security update

Published Dec 18, 2025 · Updated Nov 4, 2026

Summary

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

Security Fix(es):

* webkitgtk: webkitgtk: Use-after-free due to improper memory management (CVE-2025-43529)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43501)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43531)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43535)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43536)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43541)

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 · 8 webkit2gtk3 2.50.4-1.el8_10
AlmaLinux · 8 webkit2gtk3-devel 2.50.4-1.el8_10
AlmaLinux · 8 webkit2gtk3-jsc 2.50.4-1.el8_10
AlmaLinux · 8 webkit2gtk3-jsc-devel 2.50.4-1.el8_10

Vulnerabilities 7

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-43501
  • report
    https://access.redhat.com/security/cve/CVE-2025-43529
  • report
    https://access.redhat.com/security/cve/CVE-2025-43531
  • report
    https://access.redhat.com/security/cve/CVE-2025-43535
  • report
    https://access.redhat.com/security/cve/CVE-2025-43536
  • report
    https://access.redhat.com/security/cve/CVE-2025-43541
  • report
    https://bugzilla.redhat.com/2423166
  • report
    https://bugzilla.redhat.com/2423185
  • report
    https://bugzilla.redhat.com/2423187
  • report
    https://bugzilla.redhat.com/2423188
  • report
    https://bugzilla.redhat.com/2423190
  • report
    https://bugzilla.redhat.com/2423191
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-23663.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2025-14174.html