| Name | CVE-2026-89161 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4772-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pcre2 (PTS) | bookworm | 10.42-1 | vulnerable |
| bookworm (security) | 10.42-1+deb12u1 | fixed |
| trixie | 10.46-1~deb13u2 | fixed |
| trixie (security) | 10.46-1~deb13u3 | fixed |
| forky | 10.48-3 | fixed |
| sid | 10.48-3.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pcre2 | source | bookworm | 10.42-1+deb12u1 | | DLA-4772-1 | |
| pcre2 | source | trixie | 10.46-1~deb13u2 | | | |
| pcre2 | source | (unstable) | 10.48-1 | | | |
Notes
https://github.com/PCRE2Project/pcre2/pull/937
https://github.com/PCRE2Project/pcre2/commit/1dcd0cf42a6a7cb62cc9a7c024196733abcfda95 (pcre2-10.48-RC1)