{"schema":"threatline.record/2","record":{"id":"CVE-2026-74222","aliases":[],"summary":"U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback","details":"U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpc_recv_cb() function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERR_BUF instead of ERR_ABRT, causing the TCP input path to access released memory and crash the bootloader.","categories":["Unclassified"],"product":"u-boot","vendor":"u-boot","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-74222","source_modified_at":"2026-10-02T12:30:17.284Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"u-boot","vendor":"u-boot","versions":[{"version":"0","lessThan":"2026.10-rc5","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-74222","source_modified_at":"2026-10-02T12:30:17.284Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"u-boot","ecosystem":null},"version":"2026.10-rc5","basis":"first unaffected version stated in the CVE record"}],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00303,"percentile":0.21847,"score_date":"2026-10-23"},"published_at":"2026-09-29T21:29:23.960Z","modified_at":"2026-10-02T12:30:17.284Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-74222","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-02T12:30:17.284Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-74222","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/u-boot/u-boot/commit/2d94618a58aeb7630f18eee33419ce48d0fd3616","tags":["patch"]},{"source":"CVE List","url":"https://github.com/u-boot/u-boot/blob/v2026.07/net/lwip/wget.c#L194","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/u-boot/u-boot","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/u-boot-before-2026.10-rc5-use-after-free-in-lwip-wget-receive-callback","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-02T12:30:06.763319Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-02T12:30:17.284Z","content_hash":"c23af1671465868533c2530a29f50c06e413bf60e390438af7008b417a3f80f4"}}