CVE-2025-8736mediumCWE-119CWE-120

CVE-2025-8736: medium-severity vulnerability in GNU cflow

GNU cflow Lexer c.c yylex buffer overflow

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.8epss 0.2%
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.
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
Affected products
GNU · cflow
Related CVEs — GNU cflow

In the same product, most dangerous first.

CVE-2023-2789LOWGNU cflow parser.c parse_variable_declaration denial of serviceEPSS 1.2%CVE-2025-8735MEDIUMGNU cflow Lexer c.c yylex null pointer dereferenceEPSS 0.2%