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OpenAdvisories
High RLSA-2026:19206 18 CVEs

Important: webkit2gtk3 security update

Published May 28, 2026 · Updated May 28, 2026

Ecosystem: Rocky Linux

Summary

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

Security Fix(es):

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43213)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43214)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43457)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43511)

* webkitgtk: Processing maliciously crafted web content may disclose internal states of the app (CVE-2025-46299)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-20608)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-20635)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-20636)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-20644)

* webkitgtk: A remote attacker may be able to cause a denial-of-service (CVE-2026-20652)

* webkitgtk: A website may be able to track users through Safari web extensions (CVE-2026-20676)

* webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy (CVE-2026-20643)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-20664)

* webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2026-20665)

* webkitgtk: A maliciously crafted webpage may be able to fingerprint the user (CVE-2026-20691)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28857)

* webkitgtk: A malicious website may be able to process restricted web content outside the sandbox (CVE-2026-28859)

* webkitgtk: Visiting a maliciously crafted website may lead to a cross-site scripting attack (CVE-2026-28871)

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 1

ReleasePackageFixed in
Rocky Linux · 9 webkit2gtk3 0:2.52.3-1.el9_8

Vulnerabilities 18

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448781
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448782
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448786
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448787
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448788
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448789
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448790
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448791
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448792
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448793
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448794
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453000
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453001
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453002
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453003
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453004
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453006
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453008