CVE catalog
CVE-2026-103111
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
- Severity
- High · CVSS 7.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.27% · Oct 25, 2026
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
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 | pcre2 | sid | 10.48-3.1 | fixed |
| Debian | pcre2 | forky | 10.48-3.1 | fixed |
| Debian | pcre2 | trixie | 10.46-1~deb13u2 | vulnerable |
| Debian | pcre2 | trixie-security | 10.46-1~deb13u3 | fixed |
| Debian | pcre2 | bookworm | 10.42-1 | vulnerable |
| Debian | pcre2 | bookworm-security | 10.42-1+deb12u2 | fixed |
| Alpine | pcre2 | 3.21 | 10.43-r1 | fixed |
| Alpine | pcre2 | 3.23 | 10.49-r0 | fixed |
| Alpine | pcre2 | 3.24 | 10.49-r0 | fixed |
| Ubuntu | pcre2 | pro | 10.22-3 | vulnerable |
| Ubuntu | pcre2 | pro | 10.22-4 | vulnerable |
| Ubuntu | pcre2 | pro | 10.22-5 | vulnerable |
| Ubuntu | pcre2 | pro | 10.22-6 | vulnerable |
| Ubuntu | pcre2 | pro | 10.31-2 | vulnerable |
| Ubuntu | pcre2 | pro | 10.31-2ubuntu0.1~esm1 | vulnerable |
| Ubuntu | pcre2 | 20.04 | 10.32-5 | vulnerable |
| Ubuntu | pcre2 | 20.04 | 10.34-7 | vulnerable |
| Ubuntu | pcre2 | 20.04 | 10.34-7ubuntu0.1 | vulnerable |
| Ubuntu | pcre2 | 22.04 | 10.37-0ubuntu2 | vulnerable |
| Ubuntu | pcre2 | 22.04 | 10.39-3 | vulnerable |
| Ubuntu | pcre2 | 22.04 | 10.39-3build1 | vulnerable |
| Ubuntu | pcre2 | 22.04 | 10.39-3ubuntu0.1 | vulnerable |
| Ubuntu | pcre2 | 24.04 | 10.42-4 | vulnerable |
| Ubuntu | pcre2 | 24.04 | 10.42-4ubuntu1 | vulnerable |
| Ubuntu | pcre2 | 24.04 | 10.42-4ubuntu2 | vulnerable |
| Ubuntu | pcre2 | 24.04 | 10.42-4ubuntu2.1 | vulnerable |
| Ubuntu | pcre2 | 26.10 | 10.46-1build1 | vulnerable |
| Ubuntu | pcre2 | 26.04 | 10.46-1 | vulnerable |
| Ubuntu | pcre2 | 26.04 | 10.46-1build1 | vulnerable |
| Alpine | pcre2 | 3.22 | 10.46-r1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | pcre2 | source | sid | 10.48-3.1 | not yet assigned | Not reported | [1149217] |
| Debian | pcre2 | source | forky | 10.48-3.1 | not yet assigned | Not reported | [1149217] |
| Debian | pcre2 | source | trixie | 10.46-1~deb13u3 | not yet assigned | Not reported | [1149217] |
| Debian | pcre2 | source | bookworm | 10.42-1+deb12u2 | not yet assigned | Not reported | [1149217] |
| Alpine | pcre2 | apk | 3.21 | 10.43-r1 | Not reported | ALPINE-CVE-2026-103111 | Not reported |
| Alpine | pcre2 | apk | 3.23 | 10.49-r0 | Not reported | ALPINE-CVE-2026-103111 | Not reported |
| Alpine | pcre2 | apk | 3.24 | 10.49-r0 | Not reported | ALPINE-CVE-2026-103111 | Not reported |
| Alpine | pcre2 | apk | 3.22 | 10.46-r1 | Not reported | ALPINE-CVE-2026-103111 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libpcre2-16-0]Affected
Source package: [pcre2]
Details (2)
10.42-1· amd64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
10.42-1· arm64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
- [libpcre2-32-0]Affected
Source package: [pcre2]
Details (2)
10.42-1· amd64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
10.42-1· arm64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
- [libpcre2-8-0]Affected
Source package: [pcre2]
Details (2)
10.42-1· amd64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
10.42-1· arm64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
- [libpcre2-dev]Affected
Source package: [pcre2]
Details (2)
10.42-1· amd64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
10.42-1· arm64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
- [libpcre2-posix3]Affected
Source package: [pcre2]
Details (2)
10.42-1· amd64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
10.42-1· arm64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
- [pcre2-utils]Affected
Source package: [pcre2]
Details (2)
10.42-1· amd64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
10.42-1· arm64 · bookwormAffected · Fixed:
10.42-1+deb12u2nvd · pcre2 · debian · bookworm; nvd · pcre2 · debian · 12
[Debian 13 (Trixie)]
- [libpcre2-16-0]Affected
Source package: [pcre2]
Details (3)
10.46-1~deb13u1· amd64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u1· arm64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u3· amd64 · trixie-securityFixed · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
- [libpcre2-32-0]Affected
Source package: [pcre2]
Details (3)
10.46-1~deb13u1· amd64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u1· arm64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u3· amd64 · trixie-securityFixed · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
- [libpcre2-8-0]Affected
Source package: [pcre2]
Details (3)
10.46-1~deb13u1· amd64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u1· arm64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u3· amd64 · trixie-securityFixed · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
- [libpcre2-dev]Affected
Source package: [pcre2]
Details (3)
10.46-1~deb13u1· amd64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u1· arm64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u3· amd64 · trixie-securityFixed · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
- [libpcre2-posix3]Affected
Source package: [pcre2]
Details (3)
10.46-1~deb13u1· amd64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u1· arm64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u3· amd64 · trixie-securityFixed · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
- [pcre2-utils]Affected
Source package: [pcre2]
Details (3)
10.46-1~deb13u1· amd64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u1· arm64 · trixieAffected · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
10.46-1~deb13u3· amd64 · trixie-securityFixed · Fixed:
10.46-1~deb13u3nvd · pcre2 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2026_81522.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-103111]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-103111]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-103111]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-103111]
- [https://security-tracker.debian.org/tracker/CVE-2026-103111]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103111.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3622.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]