{"cve":"CVE-2014-1581","nvd":{"published":"2014-10-15T10:55:06.847","modified":"2026-06-17T00:05:13.060","status":"Modified","description":"Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html","http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html","http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html","http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html","http://lists.opensuse.org/opensuse-updates/2014-11/msg00000.html"],"products":["mozilla:firefox","mozilla:thunderbird"],"source":"nvd","synced_at":"2026-10-19T20:34:04.196504363+00:00"},"epss":{"cve":"CVE-2014-1581","score":0.04055,"percentile":0.90651,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}