CVE catalog

CVE-2012-1191

djbdns: CVE-2012-1191

Severity: Medium
Published: Feb 17, 2012, 10:55:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.79% · Oct 25, 2026

The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	djbdns	sid	`1:1.05-23`	fixed
Debian	djbdns	forky	`1:1.05-23`	fixed
Debian	djbdns	trixie	`1:1.05-22`	fixed
Debian	djbdns	bookworm	`1:1.05-15`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	djbdns	source	sid	`1:1.05-10`	not yet assigned	Not reported	Not reported
Debian	djbdns	source	forky	`1:1.05-10`	not yet assigned	Not reported	Not reported
Debian	djbdns	source	trixie	`1:1.05-10`	not yet assigned	Not reported	Not reported
Debian	djbdns	source	bookworm	`1:1.05-10`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[axfrdns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
[djbdns-conf]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
[djbdns-utils]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
[dnscache]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
[rbldns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
[tinydns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
[walldns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-15+b2 · amd64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12
- 1:1.05-15+b2 · arm64 · bookworm
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · bookworm; dsa · djbdns · debian · 12

[Debian 13 (Trixie)]

[axfrdns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
[djbdns-conf]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
[djbdns-utils]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
[dnscache]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
[rbldns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
[tinydns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
[walldns]Fixed
Source package: [djbdns]
Details (2)
- 1:1.05-22 · amd64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13
- 1:1.05-22 · arm64 · trixie
  Fixed · Fixed: 1:1.05-10
  dsa · djbdns · debian · 13

Observed: Oct 23, 2026, 5:05:58 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]