AlmaLinux alert ALSA-2026:25918 (webkit2gtk3)

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[Announce]  [Security Advisory] ALSA-2026:25918: webkit2gtk3 security update (Important)
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Tue, 16 Jun 2026 14:07:48 +0000
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<0100019ed0c282ce-ef763e2b-29ea-4977-b4b7-7453a62111ed-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 8
Type: Security
Severity: Important
Release date: 2026-06-15

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-2026-28946)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28847)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28883)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28901)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28902)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28903)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28904)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28905)
  * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from
being enforced (CVE-2026-28907)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash
(CVE-2026-28942)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash
(CVE-2026-28947)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28953)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash
(CVE-2026-28955)
  * webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)
  * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash
(CVE-2026-43658)
  * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from
being enforced (CVE-2026-43660)


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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/8/ALSA-2026-25918.html

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AlmaLinux Team
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