{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"nilfs-tools","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT06JTC5ZVMTT2JBXT555Q","modified_at":"2026-10-01T03:03:27.160420653Z","published_at":"2026-06-18T19:16:23.630Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55392","https://security-tracker.debian.org/tracker/CVE-2026-55392"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55392","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55392"}],"summary":"NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfs_sb_is_valid() function fails to validate s_log_block_size field in NILFS2 superblock before bit-shift operations. Attackers supplying craf"}