GitHub Advisoryadvisory · Go

GHSA-3g4q-2f67-2gvh netfoil has a resource leak in LRU cache

LOW Published 2026-07-07 Modified 2026-07-07 Official page ↗
Ecosystem
Go
Packages
github.com/tinfoil-factory/netfoil
Severity
Low
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
Weaknesses
CWE-401
Reviewed
2026-07-07

Affected packages

• Go github.com/tinfoil-factory/netfoil: < 0.3.0 → fixed in 0.3.0

Description

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.

Related

Weakness · CWE (1)

  • CWE-401 Missing Release of Memory after Effective Lifetime weakness

References