Home/CVE/The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a
CVE

CVE-2015-2326

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a

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))/".

MEDIUM · CVSS 5.5 EPSS 0.00569
Schedule remediation
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

6
pcre< 8.37
opensuseall versions
mariadb>= 10.0.0 and < 10.0.18
php>= 5.4.0 and < 5.4.41
php>= 5.5.0 and < 5.5.26
php>= 5.6.0 and < 5.6.9
⚠

Public Exploits & PoCs

1
pocbugs.exim.org · show_bug.cgi?id=1592bugs.exim.org
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPCRE.NET Package Temp Files
producthighPCRE.NET Package Image Load
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jan 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:10277-1
suse-csafopenSUSE-SU-2024:10290-1
suse-csafopenSUSE-SU-2024:10344-1
suse-csafopenSUSE-SU-2024:10447-1
rhsaRHSA-2016:2750Moderate
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlMailing ListThird Party Advisory
https://fortiguard.com/zeroday/FG-VD-15-016Third Party Advisory
https://www.pcre.org/original/changelog.txtRelease NotesThird Party Advisory
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