CVE-2026-43916
NoneCVSS
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EPSS
0.4%
Published
May 12, 2026
CISA due date
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The record
pam_authnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-read in peer_lookup_tcp (src/peer_lookup.c:134, prior to the fix) allowed a crafted NETLINK_SOCK_DIAG reply to slip past the message-size check, then dereference past the end of the allocation. This vulnerability is fixed in 0.2.0-alpha.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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