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Vulnerability record · CVE-2026-75438 · published 4 September 2026

CVE-2026-75438: Classic buffer overflow vulnerability

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

7.5 CVSS 3.1 High EPSS 0.82% · top 44.5% CWE-120 · Classic buffer overflow Deferred
7.5CVSS 3.1 base score
0.82%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
9 Sep 2026Last modified by NVD

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

LinkTags
https://gist.github.com/hackeryounow/c299d593b89fd6487cab4182c8aecabf
https://github.com/hackeryounow/5GCVulDB/blob/main/smf_crash_uelocationtimestamp.sh
https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75438
https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc
https://github.com/open5gs/open5gs/issues/4612
https://github.com/open5gs/open5gs/issues/4612

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Source: NIST National Vulnerability Database (record CVE-2026-75438), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.