{"id":"CVE-2026-116544","revision":"8fca89188eb84b9cbb11f9ff2b230ce9","records":[{"revision":"8fca89188eb84b9cbb11f9ff2b230ce9","observedAt":"2026-10-26T17:35:31.029+00:00","statement":{"source":"cve-program","id":"CVE-2026-116544","aliases":[],"title":"Open5GS 2.6.1 through 2.8.0 Out-of-Bounds Read via parse_scheme_output","description":"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.","state":0,"publishedAt":"2026-10-26T14:59:42.931+00:00","modifiedAt":"2026-10-26T16:15:00.617+00:00","affected":[{"ecosystem":"Vendor product","name":"open5gs","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"open5gs\",\n                    \"product\": \"open5gs\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://github.com/open5gs/open5gs\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.1\",\n                            \"lessThanOrEqual\": \"2.8.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/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:L/I:N/A:N","score":3.7,"severity":"LOW"}],"references":["https://github.com/open5gs/open5gs/security/advisories/GHSA-vp5f-rg8g-8p7j","https://github.com/open5gs/open5gs/commit/fdddcd5e3359703f0a945b308e64494a18a534f1","https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/conv.c#L39","https://github.com/open5gs/open5gs","https://www.vulncheck.com/advisories/open5gs-2.6.1-through-2.8.0-out-of-bounds-read-via-parse-scheme-output"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116544","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116544","identifiers":["CVE-2026-116544"]},"retained":false,"historicalAffected":[]}],"coverage":[]}