{"id":"DEBIAN-CVE-2026-106026","details":"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.","modified":"2026-10-07T05:00:08.053691583Z","published":"2026-10-06T14:17:42.083Z","upstream":["CVE-2026-106026"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-106026"}],"affected":[{"package":{"name":"tftp-hpa","ecosystem":"Debian:12","purl":"pkg:deb/debian/tftp-hpa?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2+20150808-1.4","5.2+20150808-2","5.2+20240610-1","5.2+20240610-2","5.2+20240610-3","5.3+20251110-1","5.3+20251116-1","5.3+20251209-1","5.3+20251209-2","5.4-1","5.4-2","7.1-1","7.2-1","7.2-2","7.2-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json"}},{"package":{"name":"tftp-hpa","ecosystem":"Debian:13","purl":"pkg:deb/debian/tftp-hpa?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2+20240610-3","5.3+20251110-1","5.3+20251116-1","5.3+20251209-1","5.3+20251209-2","5.4-1","5.4-2","7.1-1","7.2-1","7.2-2","7.2-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json"}},{"package":{"name":"tftp-hpa","ecosystem":"Debian:14","purl":"pkg:deb/debian/tftp-hpa?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2+20240610-3","5.3+20251110-1","5.3+20251116-1","5.3+20251209-1","5.3+20251209-2","5.4-1","5.4-2","7.1-1","7.2-1","7.2-2","7.2-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}