CVE-2025-8736 MEDIUM

CVE-2025-8736: GNU cflow Lexer c.c yylex buffer overflow

Vendor Gnu
Product cflow
Weakness CWE-120
Published August 8, 2025
Last update August 8, 2025

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

August 8, 2025 CVE published
August 8, 2025 Record updated