CVE catalog

CVE-2009-4495

yaws: CVE-2009-4495

Severity: Low
Published: Jan 13, 2010, 8:30:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 9.80% · Oct 25, 2026

Yaws 1.85 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.

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	yaws	sid	`2.3.1+dfsg-2`	vulnerable
Debian	yaws	forky	`2.3.1+dfsg-2`	vulnerable
Debian	yaws	trixie	`2.2.0+dfsg-2`	vulnerable
Debian	yaws	bookworm	`2.1.1+dfsg-2`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	yaws	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	yaws	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	yaws	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	yaws	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[erlang-yapp]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · amd64 · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · arm64 · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[erlang-yaws]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · amd64 · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · arm64 · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws]Affected
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-chat]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-doc]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-mail]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-wiki]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-yapp]Affected
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Affected
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12

[Debian 13 (Trixie)]

[erlang-yapp]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · amd64 · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · arm64 · trixie
  Affected
  dsa · yaws · debian · 13
[erlang-yaws]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · amd64 · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · arm64 · trixie
  Affected
  dsa · yaws · debian · 13
[yaws]Affected
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
[yaws-chat]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
[yaws-doc]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
[yaws-mail]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
[yaws-wiki]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
[yaws-yapp]Affected
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Affected
  dsa · yaws · debian · 13

Observed: Oct 23, 2026, 5:04:45 PM UTC

References

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