Home / mailings [SECURITY] [DSA 6172-1] webkit2gtk security update
Posted on 21 March 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6172-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
March 21, 2026 https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2025-43214 CVE-2025-43457 CVE-2025-43511 CVE-2026-20608
CVE-2026-20635 CVE-2026-20636 CVE-2026-20644 CVE-2026-20652
CVE-2026-20676
The following vulnerabilities have been discovered in the WebKitGTK
web engine:
CVE-2025-43214
shandikri discovered that processing maliciously crafted web
content may lead to an unexpected process crash.
CVE-2025-43457
Gary Kwong and Hossein Lotfi discovered that processing
maliciously crafted web content may lead to an unexpected process
crash.
CVE-2025-43511
Lee Dong Ha discovered that processing maliciously crafted web
content may lead to an unexpected process crash.
CVE-2026-20608
HanQing and Nan Wang discovered that processing maliciously
crafted web content may lead to an unexpected process crash.
CVE-2026-20635
EntryHi discovered that processing maliciously crafted web content
may lead to an unexpected process crash.
CVE-2026-20636
EntryHi discovered that processing maliciously crafted web content
may lead to an unexpected process crash.
CVE-2026-20644
HanQing and Nan Wang discovered that processing maliciously
crafted web content may lead to an unexpected process crash.
CVE-2026-20652
Nathaniel Oh discovered that a remote attacker may be able to
cause a denial-of-service.
CVE-2026-20676
Tom Van Goethem discovered that a website may be able to track
users through web extensions.
For the oldstable distribution (bookworm), these problems have been fixed
in version 2.50.6-1~deb12u1.
For the stable distribution (trixie), these problems have been fixed in
version 2.50.6-1~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
