CVE-2026-40467
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductFossies Gawk
PublishedJul 13, 2026
First seenJul 13, 2026
Weakness typeCWE-416Use after free
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fossies gawk | v ≤ 5.4.0 | — |
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