Home / mailings [SECURITY] [DSA 5987-1] unbound security update
Posted on 27 August 2025
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-5987-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
August 27, 2025 https://www.debian.org/security/faq
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Package : unbound
CVE ID : CVE-2024-8508 CVE-2024-33655 CVE-2025-5994
Multiple security issues were discovered in Unbound, a validating,
recursive, caching DNS resolver, which may result in denial of service
or cache poisoning via the "rebirthday attack".
For the oldstable distribution (bookworm), these problems have been fixed
in version 1.17.1-2+deb12u3.
We recommend that you upgrade your unbound packages.
For the detailed security status of unbound please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/unbound
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