{"id":"UBUNTU-CVE-2016-1283","details":"The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\\\"){99}-))(?J)(?'R'(?'R'\u003c((?'RR'(?'R'\\){97)?J)?J)(?'R'(?'R'\\){99|(:(?|(?'R')(\\k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with named subgroups, 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RegExp object encountered by Konqueror.","modified":"2026-02-04T02:46:33.867993Z","published":"2016-01-02T00:00:00Z","withdrawn":"2025-07-18T16:43:23Z","related":["USN-2943-1"],"upstream":["CVE-2016-1283"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-1283"},{"type":"REPORT","url":"https://bugs.exim.org/show_bug.cgi?id=1767"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2943-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-1283"}],"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":{"binaries":[{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3-dbg"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3-dbgsym"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3-dev"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3-dev-dbgsym"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3-udeb"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcre3-udeb-dbgsym"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcrecpp0"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"libpcrecpp0-dbgsym"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"pcregrep"},{"binary_version":"1:8.31-2ubuntu2.1","binary_name":"pcregrep-dbgsym"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1283.json"}},{"package":{"name":"pcre3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pcre3@2:8.38-3.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:8.38-3.1"}]}],"versions":["2:8.35-7.1ubuntu1","2:8.38-1ubuntu1","2:8.38-3"],"ecosystem_specific":{"binaries":[{"binary_version":"2:8.38-3.1","binary_name":"libpcre16-3"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre16-3-dbgsym"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3-dbg"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3-dbgsym"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3-dev"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3-dev-dbgsym"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3-udeb"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre3-udeb-dbgsym"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre32-3"},{"binary_version":"2:8.38-3.1","binary_name":"libpcre32-3-dbgsym"},{"binary_version":"2:8.38-3.1","binary_name":"libpcrecpp0v5"},{"binary_version":"2:8.38-3.1","binary_name":"libpcrecpp0v5-dbgsym"},{"binary_version":"2:8.38-3.1","binary_name":"pcregrep"},{"binary_version":"2:8.38-3.1","binary_name":"pcregrep-dbgsym"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1283.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}