{"id":"CVE-2026-106026","revision":"22a6057798ef49e59ab2fcce48b2721e","records":[{"revision":"22a6057798ef49e59ab2fcce48b2721e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-106026","aliases":[],"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.","state":0,"publishedAt":"2026-10-06T13:35:48.642+00:00","modifiedAt":"2026-10-06T17:15:34.212+00:00","affected":[{"ecosystem":"Vendor product","name":"tftp-hpa","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"H. Peter Anvin\",\n                    \"product\": \"tftp-hpa\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"5.4\",\n                            \"lessThan\": \"6.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 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","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7,"severity":"LOW"}],"references":["https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/commit/?id=6735086fb6475c3e1f1daf9829836b3d06f14291","https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/tree/tftpd/remap.c?h=tftp-hpa-5.4#n762","https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/","https://www.vulncheck.com/advisories/tftp-hpa-5.4-before-6.0-out-of-bounds-read-via-tftpd-remap-jump-rule"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-106026","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-106026","identifiers":["CVE-2026-106026"]},"retained":false,"historicalAffected":[]}],"coverage":[]}