{"cve":"CVE-2015-8384","nvd":{"published":"2015-12-02T01:59:08.350","modified":"2026-06-17T00:34:25.770","status":"Modified","description":"PCRE before 8.38 mishandles the /(?J)(?'d'(?'d'\\g{d}))/ pattern and related patterns with certain recursive back references, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, a related issue to CVE-2015-8392 and CVE-2015-8395.","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","https://access.redhat.com/errata/RHSA-2016:1132","https://bto.bluecoat.com/security-advisory/sa128"],"products":["pcre:perl_compatible_regular_expression_library"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-8384","score":0.03399,"percentile":0.88843,"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."]}