{"schema":"threatline.record/2","record":{"id":"CVE-2026-116544","aliases":["GHSA-vp5f-rg8g-8p7j"],"summary":"Open5GS 2.6.1 through 2.8.0 Out-of-Bounds Read via parse_scheme_output","details":"Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/conv.c during SUCI de-concealment due to incomplete length validation. Remote unauthenticated UEs or SBI peers can submit a crafted SUCI with a 42-byte scheme output to a UDM, triggering a heap over-read past the buffer.","categories":["Unclassified"],"product":"open5gs","vendor":"open5gs","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116544","source_modified_at":"2026-10-26T16:15:00.617Z","fetched_at":"2026-10-26T19:10:57.178988Z","product":"open5gs","vendor":"open5gs","versions":[{"version":"2.6.1","lessThanOrEqual":"2.8.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T14:59:42.931Z","modified_at":"2026-10-26T16:15:00.617Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116544","fetched_at":"2026-10-26T19:10:57.178988Z","source_modified_at":"2026-10-26T16:15:00.617Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/open5gs/open5gs/security/advisories/GHSA-vp5f-rg8g-8p7j","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs/commit/fdddcd5e3359703f0a945b308e64494a18a534f1","tags":["patch"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/conv.c#L39","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/open5gs/open5gs","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/open5gs-2.6.1-through-2.8.0-out-of-bounds-read-via-parse-scheme-output","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":"no","technical_impact":"partial","assessed_at":"2026-10-26T15:38:05.412866Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T16:15:00.617Z","content_hash":"a39bdabfdced6fbaf3d75ef3ca770f98ac7c78daa19a058f547fecf479640c5c"}}