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OpenAdvisories
High DSA-5854-1 2 CVEs

bind9 - security update

Published Jan 29, 2025 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 12 bind9 1:9.18.33-1~deb12u2

Vulnerabilities 2

  • High 7.5
    CVE-2024-11187 EPSS 16%

    Many records in the additional section cause CPU exhaustion

    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…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2024-12705 EPSS 19%

    DNS-over-HTTPS implementation suffers from multiple issues under heavy query load

    Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine