Fossies Gawk vulnerabilities

4 vulnerabilities

Known vulnerabilities in Fossies Gawk, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

9.1CVE-2026-40468debiangawk+4
EPSS score
0.20%
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.9.1CVE-2026-40469debiangawk+3
EPSS score
0.21%
Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below.7.5CVE-2026-40467debiangawk+3
EPSS score
0.21%
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.7.5CVE-2026-40553debiangawk+3
EPSS score
0.29%
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.