Debian alert DLA-4399-1 (webkit2gtk)

From:
             
 
Emilio Pozuelo Monfort <pochu@debian.org>
To:
             
 
<debian-lts-announce@lists.debian.org>
Subject:
             
 
[SECURITY] [DLA 4399-1] webkit2gtk security update
Date:
             
 
Wed, 10 Dec 2025 09:05:39 +0100
Message-ID:
             
 
<20251210080539.6FD535F00082@kamino>
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Debian LTS Advisory DLA-4399-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
December 10, 2025                             https://wiki.debian.org/LTS
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Package        : webkit2gtk
Version        : 2.50.3-1~deb11u1
CVE ID         : CVE-2025-13947 CVE-2025-43421 CVE-2025-43458 CVE-2025-66287

The following vulnerabilities have been discovered in the WebKitGTK
web engine:

CVE-2025-13947

    Janet Black discovered that a website may be able to exfiltrate
    sensitive system information.

CVE-2025-43421

    Nan Wang discovered that processing maliciously crafted web
    content may lead to an unexpected process crash.

CVE-2025-43458

    Phil Beauvoir discovered that processing maliciously crafted web
    content may lead to an unexpected process crash.

CVE-2025-66287

    Stanislav Fort discovered that processing maliciously crafted web
    content may lead to an unexpected process crash.

For Debian 11 bullseye, these problems have been fixed in version
2.50.3-1~deb11u1.

We recommend that you upgrade your webkit2gtk packages.

For the detailed security status of webkit2gtk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/webkit2gtk

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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