{"id":"CVE-2026-75438","state":"PUBLISHED","title":"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","description":"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","publishedAt":"2026-09-04T00:00:00.000Z","updatedAt":"2026-09-08T14:03:21.539Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/open5gs/open5gs/issues/4612","https://github.com/hackeryounow/5GCVulDB/blob/main/smf_crash_uelocationtimestamp.sh","https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc","https://gist.github.com/hackeryounow/c299d593b89fd6487cab4182c8aecabf","https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75438"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/75xxx/CVE-2026-75438.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75438","state":"PUBLISHED","datePublished":"2026-09-04T00:00:00.000Z","dateUpdated":"2026-09-08T14:03:21.539Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-08-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/open5gs/open5gs/issues/4612"},{"url":"https://github.com/hackeryounow/5GCVulDB/blob/main/smf_crash_uelocationtimestamp.sh"},{"url":"https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc"},{"url":"https://gist.github.com/hackeryounow/c299d593b89fd6487cab4182c8aecabf"},{"url":"https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75438"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-09-04T20:32:18.138Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/open5gs/open5gs/issues/4612","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T14:02:30.627340Z","id":"CVE-2026-75438","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","type":"CWE","lang":"en","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T14:03:21.539Z"}}]}}}