{"id":"CVE-2015-3217","details":"PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\\\.|([^\\\\\\\\W_])?)+)+$/.","modified":"2026-04-10T03:45:14.989186Z","published":"2016-12-13T16:59:02Z","related":["SUSE-SU-2016:2971-1","SUSE-SU-2016:3161-1","SUSE-SU-2017:2699-1","SUSE-SU-2017:2700-1","openSUSE-SU-2024:10277-1"],"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-1025.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2750.html"},{"type":"ADVISORY","url":"http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/75018"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2016:1132"},{"type":"ADVISORY","url":"https://bugs.exim.org/show_bug.cgi?id=1638"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2015/06/03/7"},{"type":"EVIDENCE","url":"https://bugs.exim.org/show_bug.cgi?id=1638"},{"type":"FIX","url":"http://vcs.pcre.org/pcre?view=revision&revision=1566"},{"type":"REPORT","url":"https://bugs.exim.org/show_bug.cgi?id=1638"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1228283"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}