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CVE-2026-40469

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 (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.

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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