[SECURITY] [DSA 6529-1] libwebsockets security update
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Debian Security Advisory DSA-6529-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
September 29, 2026 https://www.debian.org/security/faq
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Package : libwebsockets
CVE ID : CVE-2026-19773
It was discovered that missing input validation in the hpack path
header parser of libwebsockets could result in denial of service or
potentially the execution of arbitrary code.
For the stable distribution (trixie), this problem has been fixed in
version 4.3.5-1+deb13u3.
We recommend that you upgrade your libwebsockets packages.
For the detailed security status of libwebsockets please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libwebsockets
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
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