CVE-2026-40467

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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cvd@cert.pl https://cert.pl/en/posts/2026/07/CVE-2026-40467
cvd@cert.pl https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=a2d18c74109e41bec29a23098eba2e00057286d8

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:fossies:gawk:*:*:*:*:*:*:*:* gawk >= None <= 5.4.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
gawk edge-main 5.3.2-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk edge-main 5.3.2-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk edge-main 5.3.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk edge-main 5.3.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk 3.24-main 5.3.2-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk 3.23-main 5.3.2-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk 3.22-main 5.3.2-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk 3.21-main 5.3.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk 3.20-main 5.3.0-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
gawk 3.19-main 5.3.0-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable