CVE-2025-8735 MEDIUM

CVE-2025-8735: GNU cflow Lexer c.c yylex null pointer dereference

Vendor Gnu
Product cflow
Weakness CWE-476
Published August 8, 2025
Last update October 28, 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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability classified as problematic was found in GNU cflow up to 1.8. Affected by this vulnerability is the function yylex of the file c.c of the component Lexer. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

August 8, 2025 CVE published
October 28, 2025 Record updated