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Debian LTS: DLA-4101-1: varnish Security Advisory Updates

debian lts
Calendar Grey March 31, 2025
Dist Debian Esm H88
Upgrade Varnish for Debian 11 to fix critical HTTP desync vulnerability with CVE-2025-30346. Stay secure!
A HTTP/1 client-side desync vulnerability has been fixed in Varnish, a caching HTTP reverse proxy
Topics%20covered

Topics Covered

security advisory update debian cache varnish desync

Summary

For Debian 11 bullseye, this problem has been fixed in version
6.5.1-1+deb11u4.

We recommend that you upgrade your varnish packages.

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

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


Severity
critical
Lowest
Low
Medium
High
Critical

Package: varnish
Version: 6.5.1-1+deb11u4
CVE ID: CVE-2025-30346

Topics%20covered

Topics Covered

security advisory update debian cache varnish desync

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