Vulnerability Description
Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/conv.c during SUCI de-concealment due to incomplete length validation. Remote unauthenticated UEs or SBI peers can submit a crafted SUCI with a 42-byte scheme output to a UDM, triggering a heap over-read past the buffer.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/open5gs/open5gs
- https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/conv.c#L39
- https://github.com/open5gs/open5gs/commit/fdddcd5e3359703f0a945b308e64494a18a534
- https://github.com/open5gs/open5gs/security/advisories/GHSA-vp5f-rg8g-8p7j
- https://www.vulncheck.com/advisories/open5gs-2.6.1-through-2.8.0-out-of-bounds-r
FAQ
What is CVE-2026-116544?
CVE-2026-116544 is a vulnerability with a CVSS score of 3.7 (LOW). Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/conv.c during SUCI de-concealment due to incomplete length validation. Remote unauthenticat...
How severe is CVE-2026-116544?
CVE-2026-116544 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116544?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.