{"id":"CVE-2015-8380","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-8380","generatedAt":"2026-10-27T22:05:07.967Z","title":"The pcre_exec function in pcre_exec.c in PCRE before 8.38 mishandles a // pattern with a \\01 string, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular…","description":"The pcre_exec function in pcre_exec.c in PCRE before 8.38 mishandles a // pattern with a \\01 string, 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.","published":"2015-12-02T01:59:03.000Z","lastModified":"2026-06-17T00:34:25.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-119"],"affected":["pcre/perl compatible regular expression library","fedoraproject/fedora"],"epss":{"score":0.04436,"percentile":0.91323,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (4.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2015/11/29/1","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/77695","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bto.bluecoat.com/security-advisory/sa128","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.exim.org/show_bug.cgi?id=1637","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201607-02","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2015/11/29/1","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/77695","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bto.bluecoat.com/security-advisory/sa128","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.exim.org/show_bug.cgi?id=1637","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201607-02","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-8380","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}