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TI-2026-31979 CVE-2026-43916

pam_authnft: Heap buffer overflow in NETLINK_SOCK_DIAG reply walker

Priority MEDIUM 43

pam_authnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00263 · Published 2026-05-12 · Fixed in 0.2.0-alpha CWE-125

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