CVE-2026-8292
Open5GS NRF conv.c yuarel_parse denial of service
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 11, 2026
- Updated
- May 11, 2026
- Reserved
- May 11, 2026
Description
A security vulnerability has been detected in Open5GS up to 2.7.7. The affected element is the function yuarel_parse in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument hnrf-uri leads to denial of service. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-362589 | Open5GS NRF conv.c yuarel_parse denial of servicevdb-entrytechnical-description
- VDB-362589 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #808509 | Open5gs NRF v2.7.7 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4457exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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