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NVD HIGH: CVE-2026-40553 — Buffer overflow vulnerability has been found in "extension/readdir.c" program fi...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 7.5. Published: 2026-07-13T13:16:37.147.

Indicators of Compromise (1)

CVE (1)
CVE-2026-40553
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jul 13, 2026. Verified by: NIST.

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