CVE-2026-75438
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.8%
55.5th percentile
CISA KEV
Not listed
Weakness / dates
CWE-120
Published 2026-09-04 · modified 2026-09-09
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
References
- 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