Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://access.redhat.com/errata/RHSA-2016:1132
- http://vcs.pcre.org/pcre?view=revision&revision=1566
- https://bugs.exim.org/show_bug.cgi?id=1638
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.openwall.com/lists/oss-security/2015/06/03/7
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
- http://rhn.redhat.com/errata/RHSA-2016-1025.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1228283
- http://www.securityfocus.com/bid/75018
ADP enrichment
No English description supplied.
- https://access.redhat.com/errata/RHSA-2016:1132
- http://vcs.pcre.org/pcre?view=revision&revision=1566
- https://bugs.exim.org/show_bug.cgi?id=1638
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.openwall.com/lists/oss-security/2015/06/03/7
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
- http://rhn.redhat.com/errata/RHSA-2016-1025.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1228283
- http://www.securityfocus.com/bid/75018