{"id":"CVE-2025-44952","details":"A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101.","modified":"2026-04-10T05:26:58.643840Z","published":"2025-06-18T16:15:27.520Z","references":[{"type":"WEB","url":"https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3775"},{"type":"EVIDENCE","url":"https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"0"},{"last_affected":"43fa4857cce8af6b6ec3c8e3b0cbf99444948f76"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.7.2"}]}}],"versions":["v0.1.0","v0.1.1","v0.2.0","v0.3.0","v0.3.1","v0.3.10","v0.3.2","v0.3.3","v0.3.4","v0.3.5","v0.3.6","v0.3.8","v0.4.1","v0.4.2","v0.4.3","v0.4.4","v0.5.0","v0.5.1","v0.5.2","v1.0.0","v1.1.0","v1.2.0","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.3.0","v2.0.0","v2.0.18","v2.0.22","v2.1.0","v2.1.1","v2.1.3","v2.1.4","v2.1.5","v2.1.7","v2.2.0","v2.2.1","v2.2.6","v2.2.7","v2.2.8","v2.2.9","v2.3.0","v2.3.2","v2.3.6","v2.4.0","v2.4.1","v2.4.3","v2.4.4","v2.4.5","v2.4.7","v2.4.8","v2.4.9","v2.6.1","v2.6.2","v2.6.3","v2.6.4","v2.6.6","v2.7.0","v2.7.1","v2.7.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-44952.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}