CVE catalog

CVE-2008-3910

dns2tcp: CVE-2008-3910

Severity: High
Published: Sep 4, 2008, 5:41:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.43% · Oct 25, 2026

dns2tcp before 0.4.1 does not properly handle negative values in a certain length field in the input argument to the (1) dns_simple_decode or (2) dns_decode function, which allows remote attackers to overwrite a buffer and have unspecified other impact.

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	dns2tcp	sid	`0.5.2-4`	fixed
Debian	dns2tcp	forky	`0.5.2-4`	fixed
Debian	dns2tcp	trixie	`0.5.2-3`	fixed
Debian	dns2tcp	bookworm	`0.5.2-3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	dns2tcp	source	sid	`0.4.dfsg-2`	medium	Not reported	[497730]
Debian	dns2tcp	source	forky	`0.4.dfsg-2`	medium	Not reported	[497730]
Debian	dns2tcp	source	trixie	`0.4.dfsg-2`	medium	Not reported	[497730]
Debian	dns2tcp	source	bookworm	`0.4.dfsg-2`	medium	Not reported	[497730]

[Debian bug #497730]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[dns2tcp]Fixed
Details (2)
- 0.5.2-3 · amd64 · bookworm
  Fixed · Fixed: 0.4.dfsg-2
  dsa · dns2tcp · debian · bookworm; dsa · dns2tcp · debian · 12
- 0.5.2-3 · arm64 · bookworm
  Fixed · Fixed: 0.4.dfsg-2
  dsa · dns2tcp · debian · bookworm; dsa · dns2tcp · debian · 12

[Debian 13 (Trixie)]

[dns2tcp]Fixed
Source package: [dns2tcp]
Details (2)
- 0.5.2-3 · amd64 · trixie
  Fixed · Fixed: 0.4.dfsg-2
  dsa · dns2tcp · debian · 13
- 0.5.2-3+b1 · arm64 · trixie
  Fixed · Fixed: 0.4.dfsg-2
  dsa · dns2tcp · debian · 13

Observed: Oct 23, 2026, 5:04:19 PM UTC

References

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