CVE-2026-40467
7.5
HIGH
CVSS 3.1
EPSS 0.21%
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.
How to fix CVE-2026-40467
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/gawk—no fix listed
Is CVE-2026-40467 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |