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CVE-2022-3736

CVE-2022-3736 · named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries

This page contains facts from public vulnerability sources. Check the original advisory before updating.

BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.

CVSS 7.5 · High · EPSS 48.7% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • bind 9

    Versions
    • ≥ 9.16.12, ≤ 9.16.36: Affected (custom)
    • ≥ 9.18.0, ≤ 9.18.10: Affected (custom)
    • ≥ 9.19.0, ≤ 9.19.8: Affected (custom)
    • ≥ 9.16.12-S1, ≤ 9.16.36-S1: Affected (custom)

    No fix published

  • bind9 Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:9.18.11-1

    Update to 1:9.18.11-1

  • bind9 Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:9.18.11-1

    Update to 1:9.18.11-1

  • bind9 Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:9.18.11-1

    Update to 1:9.18.11-1

  • bind9 Ubuntu:22.04:LTS

    Versions
    • 1:9.16.15-1ubuntu1
    • 1:9.16.15-1ubuntu2
    • 1:9.16.15-1ubuntu3
    • 1:9.18.0-2ubuntu1
    • 1:9.18.0-2ubuntu2
    • 1:9.18.0-2ubuntu3
    • 1:9.18.1-1ubuntu1
    • 1:9.18.1-1ubuntu1.1
    • 1:9.18.1-1ubuntu1.2
    Affected ranges
    • ECOSYSTEM: < 1:9.18.1-1ubuntu1.3

    Update to 1:9.18.1-1ubuntu1.3

Original sources

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