Home / mailings [SECURITY] [DSA 6083-1] webkit2gtk security update
Posted on 18 December 2025
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6083-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
December 18, 2025 https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2025-14174 CVE-2025-43501 CVE-2025-43529 CVE-2025-43531
CVE-2025-43535 CVE-2025-43536 CVE-2025-43541
The following vulnerabilities have been discovered in the WebKitGTK
web engine:
CVE-2025-14174
Apple and the Google Threat Analysis Group discovered that
processing maliciously crafted web content may lead to memory
corruption. Apple is aware of a report that this issue may have
been exploited in an extremely sophisticated attack against
specific targeted individuals on versions of iOS before iOS 26.
CVE-2025-43529 was also issued in response to this report.
CVE-2025-43501
Hossein Lotfi discovered that processing maliciously crafted web
content may lead to an unexpected process crash.
CVE-2025-43529
The Google Threat Analysis Group discovered that processing
maliciously crafted web content may lead to arbitrary code
execution. Apple is aware of a report that this issue may have
been exploited in an extremely sophisticated attack against
specific targeted individuals on versions of iOS before iOS 26.
CVE-2025-14174 was also issued in response to this report.
CVE-2025-43531
Phil Pizlo discovered that processing maliciously crafted web
content may lead to an unexpected process crash.
CVE-2025-43535
Google Big Sleep / Nan Wang discovered that processing maliciously
crafted web content may lead to an unexpected process crash.
CVE-2025-43536
Nan Wang discovered that processing maliciously crafted web
content may lead to an unexpected process crash.
CVE-2025-43541
Hossein Lotfi 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 2.50.4-1~deb12u1.
For the stable distribution (trixie), these problems have been fixed in
version 2.50.4-1~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
