GNU cflow Lexer c.c yylex null pointer dereference
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
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 · cflowReferences
https://drive.google.com/file/d/1Q_rDQSEl3cBu6SUbfqr9pV9cHgvKcXFI/view?usp=drive_linkhttps://lists.gnu.org/archive/html/bug-cflow/2025-07/msg00000.htmlhttps://vuldb.com/?ctiid.319231https://vuldb.com/?id.319231https://vuldb.com/?submit.622328https://www.gnu.org/https://www.openwall.com/lists/oss-security/2025/10/27/12