Buffer overflow in N/a
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
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (56.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.004
Weakness classification (CWE)
References
- gist.github.com/hackeryounow/c299d593b89fd6487cab4182c8aecabf
- github.com/hackeryounow/5GCVulDB/blob/main/smf_crash_uelocationtimestamp.sh
- github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75438
- github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc
- github.com/open5gs/open5gs/issues/4612
Frequently asked questions
- What is CVE-2026-75438?
- CVE-2026-75438 is a high-severity vulnerability in N/a, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-09-04.
- How severe is CVE-2026-75438?
- High severity. CVSS v3 base score is 7.5 out of 10.