Home / mailings [SECURITY] [DSA 6278-1] nginx security update
Posted on 16 May 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6278-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 16, 2026 https://www.debian.org/security/faq
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Package : nginx
CVE ID : CVE-2026-40701 CVE-2026-42934 CVE-2026-42945
CVE-2026-42946 CVE-2026-40460
Multiple vulnerabilities were discoverd in Nginx, a high-performance web
and reverse proxy server, which could result in bypass of authorisation
rules or rate limits, denial of service or memory disclosure.
For the oldstable distribution (bookworm), these problems have been fixed
in version 1.22.1-9+deb12u7.
For the stable distribution (trixie), these problems have been fixed in
version 1.26.3-3+deb13u5.
We recommend that you upgrade your nginx packages.
For the detailed security status of nginx please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nginx
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
