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Alerts This Week
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Debian BIND9 Important Cache Poisoning Denial of Service DSA-6395-1

debian
Calendar Grey July 22, 2026
Scroller Debian
BIND secure update addresses multiple vulnerabilities affecting DNS integrity and service stability in Debian trixie.
Debian's security advisory DSA-6395-1 addresses multiple vulnerabilities in the BIND DNS server, recommending updates for resolution to avoid DNSSEC bypass, cache poisoning, and de...
Topics%20covered

Topics Covered

security advisory debian DoS important cache poisoning RPZ bypass

Summary

For the stable distribution (trixie), these problems have been fixed in
version 1:9.20.26-1~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/



Severity
important
Lowest
Low
Medium
High
Critical

Package: bind9
CVE ID: CVE-2026-10723 CVE-2026-10822 CVE-2026-11331 CVE-2026-11605

Topics%20covered

Topics Covered

security advisory debian DoS important cache poisoning RPZ bypass

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