CVE-2014-2525

medium
Published 2014-03-28 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-2525

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://bitbucket.org/xi/libyaml/commits/bce8b60f0b9af69fa9fab3093d0a41ba243de048

OS impact

OSVersionStatusFixed in
suse suse42.1affected
suse suse13.1affected
suse suse13.2affected
debian debianbookwormfixed0.1.4-3.2
debian debianbullseyefixed0.1.4-3.2
debian debianforkyfixed0.1.4-3.2
debian debiansidfixed0.1.4-3.2
debian debiantrixiefixed0.1.4-3.2

Application impact

VendorProductVersionsFixed
pyyamllibyaml{"endIncluding":"0.1.5"}
pyyamllibyaml0.0.1
pyyamllibyaml0.1.1
pyyamllibyaml0.1.2
pyyamllibyaml0.1.3
pyyamllibyaml0.1.4

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.