High severity7.5NVD Advisory· Published Dec 13, 2016· Updated May 6, 2026
CVE-2015-3217
CVE-2015-3217
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_])?)+)+$/.
Affected products
10cpe:2.3:a:pcre:pcre:7.8:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:pcre:pcre:7.8:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:pcre:8.32:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:pcre:8.33:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:pcre:8.34:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:pcre:8.35:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:pcre:8.36:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:pcre:8.37:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
10- vcs.pcre.org/pcrenvdPatch
- bugs.exim.org/show_bug.cginvdExploitIssue TrackingVendor Advisory
- www-01.ibm.com/support/docview.wssnvdThird Party Advisory
- www.securityfocus.com/bid/75018nvdThird Party AdvisoryVDB Entry
- www.openwall.com/lists/oss-security/2015/06/03/7nvdMailing List
- bugzilla.redhat.com/show_bug.cginvdIssue Tracking
- rhn.redhat.com/errata/RHSA-2016-1025.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2750.htmlnvd
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlnvd
- access.redhat.com/errata/RHSA-2016:1132nvd
News mentions
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