Detections
Analytics
CVE-2015-3217
high
Description
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_])?)+)+$/.
References
https://bugzilla.redhat.com/show_bug.cgi?id=1228283
https://access.redhat.com/errata/RHSA-2016:1132
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.openwall.com/lists/oss-security/2015/06/03/7
http://vcs.pcre.org/pcre?view=revision&revision=1566