{"id":"CVE-2026-106026","state":"PUBLISHED","title":"tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule","description":"tftp-hpa 5.4 before 6.0 contains an out-of-bounds read vulnerability in rewrite_string() in tftpd/remap.c that walks heap memory during jump label searches. Unauthenticated remote attackers can send read or write requests whose filename matches a remap jump rule to crash the forked in.tftpd request handler.","publishedAt":"2026-10-06T13:35:48.642Z","updatedAt":"2026-10-06T17:15:34.212Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["H. Peter Anvin tftp-hpa"],"affected":[{"vendor":"H. 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