{"id":"UBUNTU-CVE-2015-2327","details":"PCRE before 8.36 mishandles the /(((a\\2)|(a*)\\g\u003c-1\u003e))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.","modified":"2026-04-22T10:12:46.092150Z","published":"2015-12-01T00:00:00Z","related":["USN-2943-1"],"upstream":["CVE-2015-2327"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-2327"},{"type":"REPORT","url":"https://jira.mongodb.org/browse/SERVER-17252"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2943-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-2327"}],"affected":[{"package":{"name":"pcre3","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pcre3@1:8.31-2ubuntu2.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.31-2ubuntu2.1"}]}],"versions":["1:8.31-2","1:8.31-2ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpcre3","binary_version":"1:8.31-2ubuntu2.1"},{"binary_name":"libpcrecpp0","binary_version":"1:8.31-2ubuntu2.1"},{"binary_name":"pcregrep","binary_version":"1:8.31-2ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-2327.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"low"}]}