GHSA-3G4Q-2F67-2GVH netfoil has a resource leak in LRU cache

Summary When an entry was removed from the LRU cache, a pointer to the removed element was not properly cleaned up. Impact A local attacker can get netfoil to use more memory. By default this is limited to 100MB via systemd, which would trigger service restarts when reached...

GHSA-VJGJ-42F6-7997 netfoil's optional seccomp sandboxing was not applied

Summary The optional flag --filter-system-calls was not applied even if specified. Details This is a defense in depth feature to apply additional seccomp filters after the binary has started. The example config also sandboxes the binary with systemd. Impact Reduced sandboxing of the netfoil binar...

netfoil's optional seccomp sandboxing was not applied

Summary The optional flag --filter-system-calls was not applied even if specified. Details This is a defense in depth feature to apply additional seccomp filters after the binary has started. The example config also sandboxes the binary with systemd. Impact Reduced sandboxing of the netfoil binar...

GHSA-84G5-X8J3-7235 Netfoil has incorrect allowlist enforcement

Summary Rules could be bypassed by changing the first character: example.com could be be bypassed by e.g. fxample.com. Details Off-by-one error in the suffixtrie implementation. Impact The domain filter could be bypassed. Please note that DNS filtering alone is not enough to block malicious traff...