CVE catalog

CVE-2009-1215

screen: CVE-2009-1215

Severity: Medium
Published: Apr 1, 2009, 10:30:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.23% · Oct 25, 2026

Race condition in GNU screen 4.0.3 allows local users to create or overwrite arbitrary files via a symlink attack on the /tmp/screen-exchange temporary file.

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	screen	sid	`5.0.2-1`	fixed
Debian	screen	forky	`5.0.2-1`	fixed
Debian	screen	trixie	`4.9.1-3`	fixed
Debian	screen	bookworm	`4.9.0-4`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	screen	source	sid	`4.0.3-13`	low	Not reported	[521123]
Debian	screen	source	forky	`4.0.3-13`	low	Not reported	[521123]
Debian	screen	source	trixie	`4.0.3-13`	low	Not reported	[521123]
Debian	screen	source	bookworm	`4.0.3-13`	low	Not reported	[521123]

[Debian bug #521123]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[screen]Fixed
Details (2)
- 4.9.0-4 · amd64 · bookworm
  Fixed · Fixed: 4.0.3-13
  dsa · screen · debian · bookworm; dsa · screen · debian · 12
- 4.9.0-4 · arm64 · bookworm
  Fixed · Fixed: 4.0.3-13
  dsa · screen · debian · bookworm; dsa · screen · debian · 12

[Debian 13 (Trixie)]

[screen]Fixed
Details (2)
- 4.9.1-3 · amd64 · trixie
  Fixed · Fixed: 4.0.3-13
  dsa · screen · debian · 13
- 4.9.1-3 · arm64 · trixie
  Fixed · Fixed: 4.0.3-13
  dsa · screen · debian · 13

Observed: Oct 23, 2026, 5:04:31 PM UTC

References

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