7.5highHigh
CVE-2026-75438
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
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 7.5 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness
- CWE-120
- Assigned by
- cve@mitre.org
Dates
- Published
- 2026-09-04
- Last modified
- 2026-09-09
- Sources
- NVD
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