REDHAT-BUG-2499657: Buffer Overflow

Q: Which installations are affected?

GNU gawk versions 5.4.0 and earlier are affected. The flaw is in the ftype() routine in the extension/readdir.c program file.

Q: What could exploitation allow?

The issue can be used to crash gawk. Code execution is a potential outcome, but feasibility has not been confirmed.

Published Jul 13, 2026

Updated

Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk (ftype() routine). This issue could be used to crash the program and potentially to achieve code execution, although the latter has not been confirmed to be feasible. It affects gawk in versions 5.4.0 and below.

Affected Software

1 affected component

GNU gawk<=5.4.0

Event History

Jul 13, 2026

Data Sourced

via Red Hat·01:01 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

Which installations are affected?

GNU gawk versions 5.4.0 and earlier are affected. The flaw is in the ftype() routine in the extension/readdir.c program file.

What could exploitation allow?

The issue can be used to crash gawk. Code execution is a potential outcome, but feasibility has not been confirmed.

REDHAT-BUG-2499657: Buffer Overflow

Affected Software

Event History

Frequently Asked Questions

Which installations are affected?

What could exploitation allow?

Company

Resources

Contact

Frequently Asked Questions

Which installations are affected?

What could exploitation allow?