Is CVE-2026-40467 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-40467?

CVE-2026-40467 has a CVSS v3 severity of HIGH (7.5).

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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.