CVE catalog
CVE-2015-2326
pcre3: CVE-2015-2326
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.59% · Oct 25, 2026
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))/".
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | pcre3 | bookworm | 2:8.39-15 | fixed |
| Ubuntu | pcre3 | 14.04 | 1:8.31-2 | vulnerable |
| Ubuntu | pcre3 | 14.04 | 1:8.31-2ubuntu2 | vulnerable |
| Ubuntu | pcre3 | 14.04 | 1:8.31-2ubuntu2.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | pcre3 | source | bookworm | 2:8.35-7.2 | not yet assigned | Not reported | [783285] |
| Ubuntu | pcre3 | deb | 14.04 | 1:8.31-2ubuntu2.1 | Not reported | UBUNTU-CVE-2015-2326 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libpcre16-3]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre3]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre32-3]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre3-dbg]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre3-dev]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcrecpp0v5]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [pcregrep]Fixed
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormFixed · Fixed:
2:8.35-7.2dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2015_1273-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-2326]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-2326]
- [https://security-tracker.debian.org/tracker/CVE-2015-2326]
- [https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-2326.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]