------------------------------------------------------------------------- Debian LTS Advisory DLA-3816-1 debian-...@lists.debian.org https://www.debian.org/lts/security/ Santiago Ruano Rincón May 17, 2024 https://wiki.debian.org/LTS -------------------------------------------------------------------------
Package : bind9 Version : 1:9.11.5.P4+dfsg-5.1+deb10u11 CVE ID : CVE-2023-50387 CVE-2023-50868 Debian Bug : Two vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service. CVE-2023-50387 Certain DNSSEC aspects of the DNS protocol allow remote attackers to cause a denial of service via DNSSEC queries. This is known as the "KeyTrap" issue. CVE-2023-50868 The Closest Encloser Proof aspect of the DNS protocol allows remote attackers to cause a denial of service via DNSSEC queries in a random subdomain attack. This is known as the "NSEC3" issue. For Debian 10 buster, these problems have been fixed in version 1:9.11.5.P4+dfsg-5.1+deb10u11. 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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