JLSEC-2026-787 Integer overflow in gawk's `do_sub()` can cause buffer overflow and denial of service

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469

A flaw was found in gawk. An integer overflow vulnerability exists in the dosub routine, which could allow an attacker to overwrite internal program data. This can lead to a denial of service DoS by causing the gawk program to crash. This issue affects 32-bit builds of gawk...

gawk: gawk: Denial of Service due to integer overflow

A flaw was found in gawk. An integer overflow vulnerability exists in the dosub routine, which could allow an attacker to overwrite internal program data. This can lead to a denial of service DoS by causing the gawk program to crash. This issue affects 32-bit builds of gawk...

SUSE CVE-2026-40469

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469 Heap buffer overflow in gawk

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469

In the provided documents, CVE-2026-40469 affects gawk, specifically 32-bit builds in versions 5.4.0 and earlier. The root cause is an integer overflow in the do_sub (subroutine) path within builtin.c, which could allow overwriting heap metadata and related objects, potentially causing the progra...

CVE-2026-40469

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

CVE-2026-40469 Heap buffer overflow in gawk

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

EUVD-2026-43494

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub 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...

Linux Distros Unpatched Vulnerability : CVE-2026-40469

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Integer overflow vulnerability has been found in builtin.c program file of gawk dosub routine. This issue could be used to overwrite gawk heap metadata and...