Home / mailings [SECURITY] [DSA 6505-1] bind9 security update
Posted on 17 September 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6505-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
September 17, 2026 https://www.debian.org/security/faq
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Package : bind9
CVE ID : CVE-2026-19033 CVE-2026-19662 CVE-2026-19666 CVE-2026-19667
CVE-2026-19668 CVE-2026-75029 CVE-2026-76163 CVE-2026-77119
CVE-2026-77692 CVE-2026-80274 CVE-2026-81563 CVE-2026-81736
Several vulnerabilities were discovered in BIND, a DNS server implementation,
which may result in denial of service or cache poisoning.
For the stable distribution (trixie), these problems have been fixed in
version 1:9.20.29-1~deb13u1.
We recommend that you upgrade your bind9 packages.
For the detailed security status of bind9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/bind9
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
