Out-of-bounds Read in Mariadb
CVE-2015-2326
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))/".
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.exim.org/show_bug.cgi (Permissions Required, Exploit, Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-updates/2015-05/msg00014.html (Mailing List, Third Party Advisory)
- www.pcre.org/original/changelog.txt (Third Party Advisory, Release Notes)
- fortiguard.com/zeroday/FG-VD-15-016 (Third Party Advisory)
Frequently asked questions
- What is CVE-2015-2326?
- CVE-2015-2326 is a medium-severity vulnerability in Mariadb, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-01-14.
- How severe is CVE-2015-2326?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2015-2326 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.