CVE-2025-8735mediumCWE-404CWE-476

CVE-2025-8735: medium-severity vulnerability in GNU cflow

GNU cflow Lexer c.c yylex null pointer dereference

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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 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.
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
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-2025-8736MEDIUMGNU cflow Lexer c.c yylex buffer overflowEPSS 0.2%