{"schemaVersion":3,"id":"CVE-2015-8380","aliases":["UBUNTU-CVE-2015-8380","DEBIAN-CVE-2015-8380"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2015-12-02T01:00:00.000Z","modified":"2024-08-06T08:13:32.587Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.04436,"percentile":0.91337,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.04436},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.04436,"percentile":0.91337}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.04436,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.04436,"percentile":0.91337}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_D5FEDD8136E0BCFD","name":"Exploit Reference (openwall.com)","source":"reference","url":"http://www.openwall.com/lists/oss-security/2015/11/29/1","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_E42539E78B7A01ED","name":"Exploit Reference (bugs.exim.org)","source":"reference","url":"https://bugs.exim.org/show_bug.cgi?id=1637","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_A3E099935EB79EAC","name":"Exploit Reference (vcs.pcre.org)","source":"reference","url":"http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":3,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"debian","product":"pcre3","name":"pcre3","label":"pcre3","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/pcre3","purlType":"deb","versions":[{"text":"< 2:8.38-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:8.38-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"pcre3","name":"pcre3","label":"pcre3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pcre3","purlType":"deb","versions":[{"text":"< 1:8.31-2ubuntu2.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:8.31-2ubuntu2.2","eol":null,"hubHref":null},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"22","noFixRecorded":false,"fixedIn":null}],"versionsText":"22","eol":{"isEol":true,"eolDate":"2016-07-19T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"22","label":"22","eolFrom":"2016-07-19T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"pcre","product":"perl_compatible_regular_expression_library","name":"perl compatible regular expression library","label":"perl_compatible_regular_expression_library","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 8.37","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 8.37","eol":null,"hubHref":"/vendor/pcre/perl_compatible_regular_expression_library"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.openwall.com/lists/oss-security/2015/11/29/1","label":"www.openwall.com/lists/oss-security/2015/11/29/1","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Exploit","REPORT"]},{"url":"https://bugs.exim.org/show_bug.cgi?id=1637","label":"bugs.exim.org/show_bug.cgi?id=1637","hostname":"bugs.exim.org","tags":["X Refsource CONFIRM","Exploit"]},{"url":"https://blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.html","label":"blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.html","hostname":"blog.fuzzing-project.org","tags":["X Refsource MISC","Third Party Advisory","REPORT"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/77695","label":"www.securityfocus.com/bid/77695","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://bto.bluecoat.com/security-advisory/sa128","label":"bto.bluecoat.com/security-advisory/sa128","hostname":"bto.bluecoat.com","tags":["X Refsource CONFIRM","Third Party Advisory"]},{"url":"http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup","label":"vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup","hostname":"vcs.pcre.org","tags":["X Refsource CONFIRM","Exploit","REPORT"]},{"url":"https://security.gentoo.org/glsa/201607-02","label":"security.gentoo.org/glsa/201607-02","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"https://ubuntu.com/security/CVE-2015-8380","label":"ubuntu.com/security/CVE-2015-8380","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-2943-1","label":"ubuntu.com/security/notices/USN-2943-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-8380","label":"www.cve.org/CVERecord?id=CVE-2015-8380","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-8380","label":"security-tracker.debian.org/tracker/CVE-2015-8380","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["SUSE-SU-2016:2971-1","SUSE-SU-2016:3161-1","USN-2943-1"],"duplicates":[],"related":["SUSE-SU-2016:2971-1","SUSE-SU-2016:3161-1","USN-2943-1"]},"timeline":[{"kind":"published","date":"2015-12-02T01:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T08:13:32.587Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":41,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T18:24:04.515Z","stale":false,"partial":false}}