Reachable Assertion Affecting bind9 package, versions <1:9.19.17-1
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-BIND9-5912035
- published 20 Sep 2023
- disclosed 20 Sep 2023
Introduced: 20 Sep 2023
CVE-2023-4236 Open this link in a new tabHow to fix?
Upgrade Debian:unstable bind9 to version 1:9.19.17-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind9 package and not the bind9 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
A flaw in the networking code handling DNS-over-TLS queries may cause named to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load.
This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.
References
- https://security-tracker.debian.org/tracker/CVE-2023-4236
- http://www.openwall.com/lists/oss-security/2023/09/20/2
- https://kb.isc.org/docs/cve-2023-4236
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/
- https://security.netapp.com/advisory/ntap-20231013-0004/
- https://www.debian.org/security/2023/dsa-5504