Home / mailings [SECURITY] [DSA 6074-1] webkit2gtk security update
Posted on 09 December 2025
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6074-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
December 09, 2025 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : webkit2gtk
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 the oldstable distribution (bookworm), these problems have been fixed
in version 2.50.3-1~deb12u1.
For the stable distribution (trixie), these problems have been fixed in
version 2.50.3-1~deb13u1.
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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
