CVE-2026-40467

HIGHCVSS 7.5/10

Last modified

CVE-2026-40467 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.

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.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
FossiesGawk<= 5.4.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-40467?
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 severe is CVE-2026-40467?
CVE-2026-40467 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-40467?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST