CVE-2015-2326: mariadb Out-of-bounds Read
Vulnerability summary
CVE-2015-2326 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in mariadb. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.7% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 14-01-2020PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.59%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.59% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.exim.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- pcre3< 2:8.35-7.2
Mariadb1 product
- mariadb≥ 10.0.0, < 10.0.18
Opensuse1 product
- opensuseEOL13.1 | 13.2
Pcre1 product
- pcre< 8.37
Php1 product
- php≥ 5.4.0, < 5.4.41 | ≥ 5.5.0, < 5.5.26 | ≥ 5.6.0, < 5.6.9
Ubuntu1 product
- pcre3< 1:8.31-2ubuntu2.1
6 vendors · 6 products
References
9 links- bugs.exim.org/show_bug.cgi?id=1592X Refsource MISCExploitIssue TrackingPermissions RequiredThird Party Advisory
- lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlX Refsource MISCMailing ListThird Party Advisory
