VulnerabilityAnalyzed
CVE-2026-40468
Integer overflow vulnerability has been found in "builtin.c" program file of gawk.
LOW 2.1EPSS 0.20%
Does this matter?
Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 4.0
- 2.1 LOWCVSS: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/M
- EPSS
- 0.20% probability · 10th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- fossies/gawk
- Source
- cvd@cert.pl
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.