{"cve":"CVE-2015-8381","nvd":{"published":"2015-12-02T01:59:04.520","modified":"2026-06-17T00:34:25.370","status":"Modified","description":"The compile_regex function in pcre_compile.c in PCRE before 8.38 and pcre2_compile.c in PCRE2 before 10.2x mishandles the /(?J:(?|(:(?|(?'R')(\\k'R')|((?'R')))H'Rk'Rf)|s(?'R'))))/ and /(?J:(?|(:(?|(?'R')(\\z(?|(?'R')(\\k'R')|((?'R')))k'R')|((?'R')))H'Ak'Rf)|s(?'R')))/ patterns, and related patterns with certain group references, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://rhn.redhat.com/errata/RHSA-2016-2750.html","http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup","http://www.openwall.com/lists/oss-security/2015/11/29/1","http://www.securityfocus.com/bid/76187","https://access.redhat.com/errata/RHSA-2016:1132"],"products":["pcre:perl_compatible_regular_expression_library"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-8381","score":0.05286,"percentile":0.92575,"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."]}