{"cve":"CVE-2013-6393","nvd":{"published":"2014-02-06T22:55:03.217","modified":"2026-06-17T00:00:24.427","status":"Modified","description":"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://advisories.mageia.org/MGASA-2014-0040.html","http://archives.neohapsis.com/archives/bugtraq/2014-04/0134.html","http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html","http://lists.opensuse.org/opensuse-updates/2014-02/msg00064.html","http://lists.opensuse.org/opensuse-updates/2014-02/msg00065.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","opensuse:leap","opensuse:opensuse","pyyaml:libyaml","redhat:openstack"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2013-6393","score":0.07386,"percentile":0.94424,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-m75h-cghq-c8h5","url":"https://osv.dev/vulnerability/GHSA-m75h-cghq-c8h5","summary":"Heap Based Buffer Overflow in libyaml","modified":"2023-11-08T03:57:25.877815Z","packages":[{"ecosystem":"npm","name":"libyaml","purl":"pkg:npm/libyaml","ranges":["<0.2.3"],"fixed":["0.2.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}