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CVE-2025-9810

TOCTOU race in Linenoise enables arbitrary file overwrite and permission changes

CVSS 6.8 MEDIUMEPSS 0.1%CWE-367
TOCTOU  in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Affected products
antirez · linenoise

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References
https://github.com/antirez/linenoise/blob/4111f1d6cd29e136b4e86a25d1dd859a1e00813b/linenoise.c#L1321https://github.com/antirez/linenoise/blob/master/linenoise.c#L1321https://github.com/antirez/linenoise/commit/f2558e1e588b1ba384ec73a2cf5c9a46409753dbhttps://github.com/antirez/linenoise/pull/202