CVE catalog

CVE-2014-2525

libyaml: CVE-2014-2525

Severity: Medium
Published: Mar 26, 2014, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 8.77% · Oct 22, 2026

Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML 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	libyaml	sid	`0.2.5-2`	fixed
Debian	libyaml	forky	`0.2.5-2`	fixed
Debian	libyaml	trixie	`0.2.5-2`	fixed
Debian	libyaml	bookworm	`0.2.5-1`	fixed
Debian	libyaml-libyaml-perl	sid	`0.910.0+ds-1`	fixed
Debian	libyaml-libyaml-perl	forky	`0.910.0+ds-1`	fixed
Debian	libyaml-libyaml-perl	trixie	`0.903.0+ds-1`	fixed
Debian	libyaml-libyaml-perl	bookworm	`0.86+ds-1+deb12u1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libyaml	source	sid	`0.1.4-3.2`	not yet assigned	Not reported	[742732]
Debian	libyaml	source	forky	`0.1.4-3.2`	not yet assigned	Not reported	[742732]
Debian	libyaml	source	trixie	`0.1.4-3.2`	not yet assigned	Not reported	[742732]
Debian	libyaml	source	bookworm	`0.1.4-3.2`	not yet assigned	Not reported	[742732]
Debian	libyaml-libyaml-perl	source	sid	`0.41-5`	not yet assigned	Not reported	Not reported
Debian	libyaml-libyaml-perl	source	forky	`0.41-5`	not yet assigned	Not reported	Not reported
Debian	libyaml-libyaml-perl	source	trixie	`0.41-5`	not yet assigned	Not reported	Not reported
Debian	libyaml-libyaml-perl	source	bookworm	`0.41-5`	not yet assigned	Not reported	Not reported

[Debian bug #742732]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libyaml-0-2]Fixed
Source package: [libyaml]
Details (2)
- 0.2.5-1 · amd64 · bookworm
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · bookworm; dsa · libyaml · debian · 12
- 0.2.5-1 · arm64 · bookworm
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · bookworm; dsa · libyaml · debian · 12
[libyaml-dev]Fixed
Source package: [libyaml]
Details (2)
- 0.2.5-1 · amd64 · bookworm
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · bookworm; dsa · libyaml · debian · 12
- 0.2.5-1 · arm64 · bookworm
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · bookworm; dsa · libyaml · debian · 12
[libyaml-doc]Fixed
Source package: [libyaml]
Details (2)
- 0.2.5-1 · all · bookworm
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · bookworm; dsa · libyaml · debian · 12
- 0.2.5-1 · all · bookworm
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · bookworm; dsa · libyaml · debian · 12
[libyaml-libyaml-perl]Fixed
Details (2)
- 0.86+ds-1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 0.41-5
  dsa · libyaml-libyaml-perl · debian · bookworm; dsa · libyaml-libyaml-perl · debian · 12
- 0.86+ds-1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 0.41-5
  dsa · libyaml-libyaml-perl · debian · bookworm; dsa · libyaml-libyaml-perl · debian · 12

[Debian 13 (Trixie)]

[libyaml-0-2]Fixed
Source package: [libyaml]
Details (2)
- 0.2.5-2 · amd64 · trixie
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · 13
- 0.2.5-2 · arm64 · trixie
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · 13
[libyaml-dev]Fixed
Source package: [libyaml]
Details (2)
- 0.2.5-2 · amd64 · trixie
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · 13
- 0.2.5-2 · arm64 · trixie
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · 13
[libyaml-doc]Fixed
Source package: [libyaml]
Details (2)
- 0.2.5-2 · all · trixie
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · 13
- 0.2.5-2 · all · trixie
  Fixed · Fixed: 0.1.4-3.2
  dsa · libyaml · debian · 13
[libyaml-libyaml-perl]Fixed
Details (2)
- 0.903.0+ds-1 · amd64 · trixie
  Fixed · Fixed: 0.41-5
  dsa · libyaml-libyaml-perl · debian · 13
- 0.903.0+ds-1 · arm64 · trixie
  Fixed · Fixed: 0.41-5
  dsa · libyaml-libyaml-perl · debian · 13

Observed: Oct 23, 2026, 5:10:20 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]