Vulnerability Description
The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pcre | Pcre | < 8.37 |
| Opensuse | Opensuse | 13.1 |
| Mariadb | Mariadb | >= 10.0.0, < 10.0.18 |
| Php | Php | >= 5.4.0, < 5.4.41 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlMailing ListThird Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=1592ExploitIssue TrackingPermissions Required
- https://fortiguard.com/zeroday/FG-VD-15-016Third Party Advisory
- https://www.pcre.org/original/changelog.txtRelease NotesThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlMailing ListThird Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=1592ExploitIssue TrackingPermissions Required
- https://fortiguard.com/zeroday/FG-VD-15-016Third Party Advisory
- https://www.pcre.org/original/changelog.txtRelease NotesThird Party Advisory
FAQ
What is CVE-2015-2326?
CVE-2015-2326 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group conta...
How severe is CVE-2015-2326?
CVE-2015-2326 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2326?
Check the references section above for vendor advisories and patch information. Affected products include: Pcre Pcre, Opensuse Opensuse, Mariadb Mariadb, Php Php.