CVE catalog

CVE-2009-0751

yaws: CVE-2009-0751

Severity: Medium
Published: Mar 2, 2009, 10:30:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 10.40% · Oct 25, 2026

Yaws before 1.80 allows remote attackers to cause a denial of service (memory consumption and crash) via a request with a large number of headers.

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

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	yaws	source	sid	`1.80-1`	not yet assigned	Not reported	Not reported
Debian	yaws	source	forky	`1.80-1`	not yet assigned	Not reported	Not reported
Debian	yaws	source	trixie	`1.80-1`	not yet assigned	Not reported	Not reported
Debian	yaws	source	bookworm	`1.80-1`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[erlang-yapp]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[erlang-yaws]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws]Fixed
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-chat]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-doc]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-mail]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-wiki]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[yaws-yapp]Fixed
Source package: [yaws]
Details (2)
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- 2.1.1+dfsg-2 · all · bookworm
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · bookworm; dsa · yaws · debian · 12

[Debian 13 (Trixie)]

[erlang-yapp]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · amd64 · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · arm64 · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[erlang-yaws]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · amd64 · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · arm64 · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[yaws]Fixed
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[yaws-chat]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[yaws-doc]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[yaws-mail]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[yaws-wiki]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
[yaws-yapp]Fixed
Source package: [yaws]
Details (2)
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13
- 2.2.0+dfsg-2 · all · trixie
  Fixed · Fixed: 1.80-1
  dsa · yaws · debian · 13

Observed: Oct 23, 2026, 5:04:29 PM UTC

References

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