CVE-2014-2525: Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows cont...

Security readout for executives and security teams

CVE-2014-2525 is a memory corruption flaw in LibYAML before 0.1.6. A specially crafted YAML file with a long percent-encoded URI sequence could trigger a heap buffer overflow and may allow arbitrary code execution, depending on how the vulnerable parser is used. Exposure is most likely where applications, automation, or operating system packages include LibYAML before 0.1.6 and parse YAML files from untrusted or semi-trusted sources. Downstream vendor advisories indicate broad packaging impact, but the bundle does not provide a complete affected-product list. Treat this as a high-priority legacy dependency risk where YAML parsing is exposed to untrusted input. There is no supplied evidence of active exploitation, but arbitrary code execution potential makes delayed remediation inappropriate on internet-facing or automation-critical systems. Mitigation focus: Upgrade LibYAML to 0.1.6 or a vendor-patched package.; Apply relevant Debian, Ubuntu, Red Hat, SUSE, Mandriva, Puppet, or Chef advisories.; Inventory software that statically or dynamically links LibYAML..

Prepared

Jun 14, 2026, 14:32 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.