VulnerabilityDeferred
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
HIGH 7.5EPSS 0.47%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.47% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.