{"id":"CVE-2026-75438","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","summary":"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","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-120"],"published":"2026-09-04","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:04:24.933","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75438","references":[{"url":"https://gist.github.com/hackeryounow/c299d593b89fd6487cab4182c8aecabf","label":"cve@mitre.org"},{"url":"https://github.com/hackeryounow/5GCVulDB/blob/main/smf_crash_uelocationtimestamp.sh","label":"cve@mitre.org"},{"url":"https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75438","label":"cve@mitre.org"},{"url":"https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc","label":"cve@mitre.org"},{"url":"https://github.com/open5gs/open5gs/issues/4612","label":"cve@mitre.org"},{"url":"https://github.com/open5gs/open5gs/issues/4612","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00466,"epssPercentile":0.39555,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-08T14:02:30.627340Z"},"ingestedAt":"2026-09-08T15:33:26.964Z","slug":"CVE-2026-75438","body":"## Overview\n\nBuffer Overflow vulnerability in Open5GS v2.7.7 allows a remote attacker to cause a denial of service via the ogs_sbi_time_parse() function\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}