CVE-2015-2325
The compile_branch function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code, cause a denial of service (out-of-bounds heap read and crash), or possibly have other unspecified impact via a regular expression with a group…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The compile_branch function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code, cause a denial of service (out-of-bounds heap read and crash), or possibly have other unspecified impact via a regular expression with a group containing a forward reference repeated a large number of times within a repeated outer group that has a zero minimum quantifier.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.57% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-787
- Affected
- pcre/pcre · opensuse/opensuse · mariadb/mariadb · php/php
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlMailing List, Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=1591Exploit, Issue Tracking, Permissions Required, Third Party Advisory
- https://fortiguard.com/zeroday/FG-VD-15-015Third Party Advisory
- https://www.pcre.org/original/changelog.txtRelease Notes, Vendor Advisory
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlMailing List, Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=1591Exploit, Issue Tracking, Permissions Required, Third Party Advisory
- https://fortiguard.com/zeroday/FG-VD-15-015Third Party Advisory
- https://www.pcre.org/original/changelog.txtRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.