[SECURITY] [DLA 4050-1] bind9 security update
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Debian LTS Advisory DLA-4050-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Paride Legovini
February 11, 2025 https://wiki.debian.org/LTS
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Package : bind9
Version : 1:9.16.50-1~deb11u3
CVE ID : CVE-2024-11187
One vulnerability was discovered in BIND, a DNS server implementation, which
may result in denial of service.
It is possible to construct a zone such that some queries to it will generate
responses containing numerous records in the Additional section. An attacker
sending many such queries can cause either the authoritative server itself or
an independent resolver to use disproportionate resources processing the
queries. Zones will usually need to have been deliberately crafted to exploit
this flaw.
For Debian 11 bullseye, this problem has been fixed in version
1:9.16.50-1~deb11u3.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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