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Debian bind9 Important Denial of Service Security Advisory DSA-6285-1

debian
Calendar Grey May 20, 2026
Debian Logo
Multiple vulnerabilities in BIND DNS lead to potential denial of service in Debian. Update to the latest versions to mitigate risks.
Several vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service
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Topics Covered

security advisory denial of service debian important bind9 CVE

Summary

For the oldstable distribution (bookworm), these problems have been fixed
in version 1:9.18.49-1~deb12u1.

For the stable distribution (trixie), these problems have been fixed in
version 1:9.20.23-1~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-2026-3039 CVE-2026-3592 CVE-2026-5946

Topics%20covered

Topics Covered

security advisory denial of service debian important bind9 CVE

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