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CVE-2026-40468

cvd@cert.pl
CRITICAL
CVSS Score:9.1/10
Analyzed
Published: 7/13/2026
Modified: 7/14/2026
1 Affected Products
Risk Assessment
100%
Exploitability
90%
Impact
Overall Risk: 91%
Vulnerability 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 v3.1 Score
9.1
CRITICAL
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.9
Exploitability
5.2
Impact
Attack Vector Analysis
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

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