All vulnerabilities

Servers and applications

CVE-2023-2911

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…

Severity
High 7.5
Published
21 Jun 2023
Last changed
24 Oct 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • From 9.16.33 up to 9.16.41
  • From 9.18.7 up to 9.18.15
  • From 9.18.11 up to 9.18.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-2911
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-2911