{"id":"CVE-2026-75438","details":"Buffer Overflow vulnerability in Open5GS v2.7.7 allows a remote attacker to cause a denial of service via the ogs_sbi_time_parse() function","modified":"2026-10-28T11:17:43.818953138Z","published":"2026-09-04T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75438.json"},"references":[{"type":"WEB","url":"https://gist.github.com/hackeryounow/c299d593b89fd6487cab4182c8aecabf"},{"type":"WEB","url":"https://github.com/hackeryounow/5GCVulDB/blob/main/smf_crash_uelocationtimestamp.sh"},{"type":"WEB","url":"https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75438"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75438.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75438"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/4612"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"0"},{"fixed":"7227b2f5b254160286798e058c189224360d99fc"}],"database_specific":{"extracted_events":[{"range":[{"fixed":"7227b2f5b254160286798e058c189224360d99fc"}],"source":"REFERENCES_COMMIT"}]}}],"versions":["v2.7.7","v2.7.2","v2.7.1","v2.7.0","v2.6.6","v2.6.4","v2.6.3","v2.6.2","v2.6.1","v2.4.9","v2.4.8","v2.4.7","v2.4.5","v2.4.4","v2.4.3","v2.4.1","v2.4.0","v2.3.6","v2.3.2","v2.3.0","v2.2.9","v2.2.8","v2.2.7","v2.2.6","v2.2.1","v2.2.0","v2.1.7","v2.1.5","v2.1.4","v2.1.3","v2.1.1","v2.1.0","v2.0.22","v2.0.18","v2.0.0","v1.3.0","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.0","v1.0.0","v0.5.2","v0.5.1","v0.5.0","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.3.10","v0.3.8","v0.3.6","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.0","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75438.json","vanir_signatures":[{"source":"https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc","target":{"file":"lib/sbi/conv.c"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["139889821063634440259724723238358218705","213445524381781242751445928817591808614","45486267317701133517003432768721419534","229409448709864650336235914961095460119","333024153774576923473678373866661972363","216985317915551363690598047934895543325","173495682440118798035656499730968771753"]},"id":"CVE-2026-75438-a03e7325","signature_type":"Line","signature_version":"v1"},{"deprecated":false,"digest":{"function_hash":"4042691024094701910684187222694619057","length":1389},"id":"CVE-2026-75438-f4418361","signature_type":"Function","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc","target":{"file":"lib/sbi/conv.c","function":"ogs_sbi_time_from_string"}}],"vanir_signatures_modified":"2026-10-28T11:17:43Z"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}