Unrated severityNVD Advisory· Published Jun 21, 2023· Updated Feb 13, 2025
Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0
CVE-2023-2911
Description
If the recursive-clients quota is reached on a BIND 9 resolver configured with both stale-answer-enable yes; and stale-answer-client-timeout 0;, a sequence of serve-stale-related lookups could cause named to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- osv-coords7 versionspkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/bind&distro=openSUSE%20Tumbleweedpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5
< 9.16.42-150400.5.27.1+ 6 more
- (no CPE)range: < 9.16.42-150400.5.27.1
- (no CPE)range: < 9.16.42-150500.8.3.1
- (no CPE)range: < 9.18.16-1.1
- (no CPE)range: < 9.16.42-150400.5.27.1
- (no CPE)range: < 9.16.42-150500.8.3.1
- (no CPE)range: < 9.16.42-150400.5.27.1
- (no CPE)range: < 9.16.42-150500.8.3.1
Patches
Vulnerability mechanics
References
6- kb.isc.org/docs/cve-2023-2911mitrevendor-advisory
- www.openwall.com/lists/oss-security/2023/06/21/6mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/mitre
- security.netapp.com/advisory/ntap-20230703-0010/mitre
- www.debian.org/security/2023/dsa-5439mitre
News mentions
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