CVE catalog

CVE-2011-4000

chasen: CVE-2011-4000

Severity: High
Published: Nov 8, 2011, 10:55:01 PM UTC
Source: [NVD] · [CVE record]
EPSS: 4.15% · Oct 25, 2026

Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.

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	chasen	sid	`2.4.5-46.1`	fixed
Debian	chasen	forky	`2.4.5-46.1`	fixed
Debian	chasen	trixie	`2.4.5-46`	fixed
Debian	chasen	bookworm	`2.4.5-44`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	chasen	source	sid	`2.4.4-17`	medium	Not reported	[648359]
Debian	chasen	source	forky	`2.4.4-17`	medium	Not reported	[648359]
Debian	chasen	source	trixie	`2.4.4-17`	medium	Not reported	[648359]
Debian	chasen	source	bookworm	`2.4.4-17`	medium	Not reported	[648359]

[Debian bug #648359]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[chasen]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-44+b1 · amd64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
- 2.4.5-44+b1 · arm64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
[chasen-dictutils]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-44+b1 · amd64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
- 2.4.5-44+b1 · arm64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
[libchasen2]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-44+b1 · amd64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
- 2.4.5-44+b1 · arm64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
[libchasen-dev]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-44+b1 · amd64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12
- 2.4.5-44+b1 · arm64 · bookworm
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · bookworm; dsa · chasen · debian · 12

[Debian 13 (Trixie)]

[chasen]Fixed
Details (2)
- 2.4.5-46 · amd64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
- 2.4.5-46 · arm64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
[chasen-dictutils]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-46 · amd64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
- 2.4.5-46 · arm64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
[libchasen2]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-46 · amd64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
- 2.4.5-46 · arm64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
[libchasen-dev]Fixed
Source package: [chasen]
Details (2)
- 2.4.5-46 · amd64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13
- 2.4.5-46 · arm64 · trixie
  Fixed · Fixed: 2.4.4-17
  dsa · chasen · debian · 13

Observed: Oct 23, 2026, 5:05:38 PM UTC

References

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