| Name | CVE-2026-40467 |
| Description | Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below. |
| 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) |
| Debian Bugs | 1142071 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gawk (PTS) | bullseye | 1:5.1.0-1 | vulnerable |
| bookworm, trixie | 1:5.2.1-2 | vulnerable |
| forky, sid | 1:5.3.2-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gawk | source | (unstable) | (unfixed) | | | 1142071 |
Notes
[trixie] - gawk <no-dsa> (Minor issue)
Fixed by: https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=a2d18c74109e41bec29a23098eba2e00057286d8