CVE-2026-40468

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

9.1 (CRITICAL) מקור הציון: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS 4.0

2.1 (LOW) מקור הציון: CNA CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-16/8/2026

CWE

CWE-190

מוצרים מושפעים

fossies: gawk

קישורים

• https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=062f2f2581b991362c0‮… Patch
• https://cert.pl/en/posts/2026/07/CVE-2026-40467 Third Party Advisory