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.
CVE-2026-103111 is fixed in 34 products on 1 platform, first by libpcre2-16-0 10.31-2ubuntu0.1~esm2, released September 29, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.2
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0027
19th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libpcre2-16-0 · Ubuntu 18.04.6 LTS (bionic) | 10.31-2ubuntu0.1~esm2 | libpcre2-16-0 10.31-2ubuntu0.1~esm2 | Sep 29, 2026 |
| libpcre2-16-0 · Ubuntu 20.04 LTS (focal) | 10.34-7ubuntu0.1+esm1 | libpcre2-16-0 10.34-7ubuntu0.1+esm1 | Sep 29, 2026 |
| libpcre2-16-0 · Ubuntu 22.04.1 LTS (jammy) | 10.39-3ubuntu0.2 | libpcre2-16-0 10.39-3ubuntu0.2 | Sep 29, 2026 |
| libpcre2-16-0 · Ubuntu 24.04.5 LTS (noble) | 10.42-4ubuntu2.2 | libpcre2-16-0 10.42-4ubuntu2.2 | Sep 29, 2026 |
| libpcre2-16-0 · Ubuntu 26.04.1 LTS (resolute) | 10.46-1ubuntu0.1 | libpcre2-16-0 10.46-1ubuntu0.1 | Sep 29, 2026 |
| libpcre2-32-0 · Ubuntu 18.04.6 LTS (bionic) | 10.31-2ubuntu0.1~esm2 | libpcre2-32-0 10.31-2ubuntu0.1~esm2 | Sep 29, 2026 |
| libpcre2-32-0 · Ubuntu 20.04 LTS (focal) | 10.34-7ubuntu0.1+esm1 | libpcre2-32-0 10.34-7ubuntu0.1+esm1 | Sep 29, 2026 |
| libpcre2-32-0 · Ubuntu 22.04.1 LTS (jammy) | 10.39-3ubuntu0.2 | libpcre2-32-0 10.39-3ubuntu0.2 | Sep 29, 2026 |
| libpcre2-32-0 · Ubuntu 24.04.5 LTS (noble) | 10.42-4ubuntu2.2 | libpcre2-32-0 10.42-4ubuntu2.2 | Sep 29, 2026 |
| libpcre2-32-0 · Ubuntu 26.04.1 LTS (resolute) | 10.46-1ubuntu0.1 | libpcre2-32-0 10.46-1ubuntu0.1 | Sep 29, 2026 |
| libpcre2-8-0 · Ubuntu 18.04.6 LTS (bionic) | 10.31-2ubuntu0.1~esm2 | libpcre2-8-0 10.31-2ubuntu0.1~esm2 | Sep 29, 2026 |
| libpcre2-8-0 · Ubuntu 20.04 LTS (focal) | 10.34-7ubuntu0.1+esm1 | libpcre2-8-0 10.34-7ubuntu0.1+esm1 | Sep 29, 2026 |
| libpcre2-8-0 · Ubuntu 22.04.1 LTS (jammy) | 10.39-3ubuntu0.2 | libpcre2-8-0 10.39-3ubuntu0.2 | Sep 29, 2026 |
| libpcre2-8-0 · Ubuntu 24.04.5 LTS (noble) | 10.42-4ubuntu2.2 | libpcre2-8-0 10.42-4ubuntu2.2 | Sep 29, 2026 |
| libpcre2-8-0 · Ubuntu 26.04.1 LTS (resolute) | 10.46-1ubuntu0.1 | libpcre2-8-0 10.46-1ubuntu0.1 | Sep 29, 2026 |
| libpcre2-posix0 · Ubuntu 18.04.6 LTS (bionic) | 10.31-2ubuntu0.1~esm2 | libpcre2-posix0 10.31-2ubuntu0.1~esm2 | Sep 29, 2026 |
| libpcre2-posix2 · Ubuntu 20.04 LTS (focal) | 10.34-7ubuntu0.1+esm1 | libpcre2-posix2 10.34-7ubuntu0.1+esm1 | Sep 29, 2026 |
| libpcre2-posix3 · Ubuntu 22.04.1 LTS (jammy) | 10.39-3ubuntu0.2 | libpcre2-posix3 10.39-3ubuntu0.2 | Sep 29, 2026 |
| libpcre2-posix3 · Ubuntu 24.04.5 LTS (noble) | 10.42-4ubuntu2.2 | libpcre2-posix3 10.42-4ubuntu2.2 | Sep 29, 2026 |
| libpcre2-posix3 · Ubuntu 26.04.1 LTS (resolute) | 10.46-1ubuntu0.1 | libpcre2-posix3 10.46-1ubuntu0.1 | Sep 29, 2026 |
| mariadb11.8 · RHEL 10 | 11.8.8-2.el10_2 | RHSA-2026:84799 | Oct 20, 2026 |
| mariadb11.8 · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8 · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8 · rocky 10 | 3:11.8.8-2.el10_2 | RLSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-backup · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-backup · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-client-utils · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-client-utils · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-common · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-common · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-devel · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-devel · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-embedded · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-embedded · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-embedded-devel · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-embedded-devel · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-errmsg · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-errmsg · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-gssapi-server · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-gssapi-server · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-oqgraph-engine · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-oqgraph-engine · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-pam · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-pam · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-server · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-server · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-server-galera · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-server-galera · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-server-utils · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-server-utils · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| mariadb11.8-test · almalinux 10 | 3:11.8.8-2.el10_2.alma.2 | ALSA-2026:84799 | Nov 7, 2026 |
| mariadb11.8-test · ol 10 | 3:11.8.8-2.el10_2 | ELSA-2026-84799 | Nov 7, 2026 |
| pcre2 · Debian 12.15 (bookworm) | 10.42-1+deb12u2 | DEBIAN-CVE-2026-103111 | Oct 1, 2026 |
| pcre2 · Debian 13.5 (trixie) | 10.46-1~deb13u3 | DEBIAN-CVE-2026-103111 | Oct 1, 2026 |
| pcre2 · Debian 14 | 10.48-3.1 | DEBIAN-CVE-2026-103111 | Oct 1, 2026 |
| pcre2 · RHEL 10 | 10.44-1.4.el10_0 | RHSA-2026:86205 | Oct 13, 2026 |
| pcre2 · RHEL 8 | 0:10.32-4.el8_10 | RHSA-2026:81613 | Oct 13, 2026 |
| pcre2 · RHEL 9 | 0:10.40-7.el9_8 | RHSA-2026:81532 | Oct 13, 2026 |
| pcre2 · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2 · almalinux 8 | 10.32-4.el8_10 | ALSA-2026:81613 | Nov 7, 2026 |
| pcre2 · almalinux 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2 · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2 · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2 · ol 8 | 0:10.32-4.el8_10 | ELSA-2026-81613 | Nov 7, 2026 |
| pcre2 · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2 · rocky 10 | 0:10.44-1.5.el10_2 | RLSA-2026:81522 | Nov 7, 2026 |
| pcre2 · rocky 8 | 0:10.32-4.el8_10 | RLSA-2026:81613 | Nov 7, 2026 |
| pcre2 · rocky 9 | 0:10.40-7.el9_8 | RLSA-2026:81532 | Nov 7, 2026 |
| pcre2-debuginfo · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-debugsource · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-devel · RHEL 8 | 0:10.32-4.el8_10 | RHSA-2026:81613 | Oct 13, 2026 |
| pcre2-devel · RHEL 9 | 0:10.40-7.el9_8 | RHSA-2026:81532 | Oct 13, 2026 |
| pcre2-devel · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2-devel · almalinux 8 | 10.32-4.el8_10 | ALSA-2026:81613 | Nov 7, 2026 |
| pcre2-devel · almalinux 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-devel · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-devel · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2-devel · ol 8 | 0:10.32-4.el8_10 | ELSA-2026-81613 | Nov 7, 2026 |
| pcre2-devel · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2-static · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2-static · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-static · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2-syntax · RHEL 9 | 0:10.40-7.el9_8 | RHSA-2026:81532 | Oct 13, 2026 |
| pcre2-syntax · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2-syntax · almalinux 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-syntax · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-syntax · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2-syntax · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2-tools · RHEL 8 | 0:10.32-4.el8_10 | RHSA-2026:81613 | Oct 13, 2026 |
| pcre2-tools · RHEL 9 | 0:10.40-7.el9_8 | RHSA-2026:81532 | Oct 13, 2026 |
| pcre2-tools · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2-tools · almalinux 8 | 10.32-4.el8_10 | ALSA-2026:81613 | Nov 7, 2026 |
| pcre2-tools · almalinux 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-tools · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-tools · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2-tools · ol 8 | 0:10.32-4.el8_10 | ELSA-2026-81613 | Nov 7, 2026 |
| pcre2-tools · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2-tools-debuginfo · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-utf16 · RHEL 8 | 0:10.32-4.el8_10 | RHSA-2026:81613 | Oct 13, 2026 |
| pcre2-utf16 · RHEL 9 | 0:10.40-7.el9_8 | RHSA-2026:81532 | Oct 13, 2026 |
| pcre2-utf16 · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2-utf16 · almalinux 8 | 10.32-4.el8_10 | ALSA-2026:81613 | Nov 7, 2026 |
| pcre2-utf16 · almalinux 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-utf16 · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-utf16 · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2-utf16 · ol 8 | 0:10.32-4.el8_10 | ELSA-2026-81613 | Nov 7, 2026 |
| pcre2-utf16 · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2-utf16-debuginfo · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-utf32 · RHEL 8 | 0:10.32-4.el8_10 | RHSA-2026:81613 | Oct 13, 2026 |
| pcre2-utf32 · RHEL 9 | 0:10.40-7.el9_8 | RHSA-2026:81532 | Oct 13, 2026 |
| pcre2-utf32 · almalinux 10 | 10.44-1.5.el10_2 | ALSA-2026:81522 | Nov 7, 2026 |
| pcre2-utf32 · almalinux 8 | 10.32-4.el8_10 | ALSA-2026:81613 | Nov 7, 2026 |
| pcre2-utf32 · almalinux 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-utf32 · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-utf32 · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2-utf32 · ol 8 | 0:10.32-4.el8_10 | ELSA-2026-81613 | Nov 7, 2026 |
| pcre2-utf32 · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2-utf32-debuginfo · amzn 2023 | 10.40-1.amzn2023.0.5 | ALAS2023-2026-3269 | Nov 7, 2026 |
| pcre2-utils · Ubuntu 18.04.6 LTS (bionic) | 10.31-2ubuntu0.1~esm2 | pcre2-utils 10.31-2ubuntu0.1~esm2 | Sep 29, 2026 |
| pcre2-utils · Ubuntu 20.04 LTS (focal) | 10.34-7ubuntu0.1+esm1 | pcre2-utils 10.34-7ubuntu0.1+esm1 | Sep 29, 2026 |
| pcre2-utils · Ubuntu 22.04.1 LTS (jammy) | 10.39-3ubuntu0.2 | pcre2-utils 10.39-3ubuntu0.2 | Sep 29, 2026 |
| pcre2-utils · Ubuntu 24.04.5 LTS (noble) | 10.42-4ubuntu2.2 | pcre2-utils 10.42-4ubuntu2.2 | Sep 29, 2026 |
| pcre2-utils · Ubuntu 26.04.1 LTS (resolute) | 10.46-1ubuntu0.1 | pcre2-utils 10.46-1ubuntu0.1 | Sep 29, 2026 |
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