{"schema":"threatline.record/2","record":{"id":"CVE-2026-116543","aliases":["GHSA-25v2-v588-jq8g"],"summary":"Open5GS 1.3.0 through 2.8.0 Heap Out-of-Bounds Write via SBI Multipart Parser","details":"Open5GS 1.3.0 through 2.8.0 contains a heap out-of-bounds write vulnerability in parse_multipart() that allows unauthenticated attackers to corrupt memory by supplying an empty multipart boundary. Attackers can send a single crafted multipart/related request to the SBI interface of any network function, overflowing the lookbehind buffer and crashing it.","categories":["Unclassified"],"product":"open5gs","vendor":"open5gs","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116543","source_modified_at":"2026-10-26T14:59:42.212Z","fetched_at":"2026-10-26T19:10:57.178988Z","product":"open5gs","vendor":"open5gs","versions":[{"version":"1.3.0","lessThanOrEqual":"2.8.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T14:59:42.212Z","modified_at":"2026-10-26T14:59:42.212Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116543","fetched_at":"2026-10-26T19:10:57.178988Z","source_modified_at":"2026-10-26T14:59:42.212Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/open5gs/open5gs/security/advisories/GHSA-25v2-v588-jq8g","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs/commit/6820c2743b5b5e126e3755d2f92dae2b236732df","tags":["patch"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/message.c#L3372","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/contrib/multipart_parser.c#L260","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/open5gs-1.3.0-through-2.8.0-heap-out-of-bounds-write-via-sbi-multipart-parser","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T14:59:42.212Z","content_hash":"c59bb15b83df95ad9103e89eb0c90d14516b37ac448682ee6b05cd08027f6253"}}