pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.
http://vcs.pcre.org/pcre?view=revision&revision=1475
http://www.openwall.com/lists/oss-security/2016/03/26/1
http://www.securityfocus.com/bid/85570
http://www.securitytracker.com/id/1035424
Source: MITRE
Published: 2016-03-28
Updated: 2016-12-03
Type: CWE-119
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 7.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Impact Score: 3.4
Exploitability Score: 3.9
Severity: HIGH