GNU gawk vulnerabilities (CVE)

CVE records published for GNU gawk, newest first. Follow to get an email when a new one appears.

4 results
5.1Medium
CVE-2026-40553

Stack-based buffer overflow in gawk

GNU gawk

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. I…

5.1Medium
CVE-2026-40469

Heap buffer overflow in gawk

GNU gawk

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.

2.1Low
CVE-2026-40468

Heap buffer overflow in gawk

GNU gawk

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 affect…

5.1Medium
CVE-2026-40467

Use after free in gawk

GNU gawk

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.