CVE-2026-89161
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
CVE-2026-89161 is fixed in 40 products on 1 platform, first by DEBIAN-CVE-2026-89161, released September 11, 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
0.0013
2nd percentile
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| 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 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 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-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 |
| mingw-pcre2 · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| mingw32-pcre2 · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| mingw32-pcre2-debuginfo · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| mingw32-pcre2-static · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| mingw64-pcre2 · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| mingw64-pcre2-debuginfo · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| mingw64-pcre2-static · Fedora 43 | 10.48-1.fc43 | FEDORA-2026-98F3F016C4 | Sep 15, 2026 |
| pcre2 · Debian 12.15 (bookworm) | 10.42-1+deb12u1 | DEBIAN-CVE-2026-89161 | Sep 11, 2026 |
| pcre2 · Debian 13.5 (trixie) | 10.46-1~deb13u2 | DEBIAN-CVE-2026-89161 | Sep 11, 2026 |
| pcre2 · Debian 14 | 10.48-1 | DEBIAN-CVE-2026-89161 | Sep 11, 2026 |
| pcre2 · RHEL 10 | 10.44-1.4.el10_0 | RHSA-2026:86205 | 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 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2 · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 2026 |
| pcre2 · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | Nov 7, 2026 |
| pcre2 · ol 9 | 0:10.40-7.0.1.el9_8 | ELSA-2026-81532 | Nov 7, 2026 |
| pcre2 · opensuse-leap 16.0 | 10.45-160000.4.1 | OPENSUSE-SU-2026:21938-1 | Sep 23, 2026 |
| pcre2 · rocky 10 | 0:10.44-1.5.el10_2 | RLSA-2026:81522 | Nov 7, 2026 |
| pcre2 · rocky 9 | 0:10.40-7.el9_8 | RLSA-2026:81532 | Nov 7, 2026 |
| pcre2 · sles 15.6 | 10.42-150600.3.3.1 | SUSE-SU-2026:4241-1 | Sep 17, 2026 |
| pcre2 · sles 15.7 | 10.42-150600.3.3.1 | SUSE-SU-2026:4241-1 | Sep 17, 2026 |
| pcre2 · sles 16.0 | 10.45-160000.4.1 | SUSE-SU-2026:23906-1 | Sep 23, 2026 |
| pcre2-debuginfo · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 2026 |
| pcre2-debugsource · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 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 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-devel · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 2026 |
| pcre2-devel · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | 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.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 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.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 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 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 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-tools · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 2026 |
| pcre2-tools · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | 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.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 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 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-utf16 · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 2026 |
| pcre2-utf16 · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | 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.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 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 9 | 10.40-7.el9_8 | ALSA-2026:81532 | Nov 7, 2026 |
| pcre2-utf32 · amzn 2023 | 10.40-1.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 2026 |
| pcre2-utf32 · ol 10 | 0:10.44-1.5.0.1.el10_2 | ELSA-2026-81522 | 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.amzn2023.0.4 | ALAS2023-2026-3119 | Sep 28, 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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