CVE-2026-7708
Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 3, 2026
- Updated
- May 4, 2026
- Reserved
- May 3, 2026
Description
A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. 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-360884 | Open5GS UDR subscription.c ogs_dbi_subscription_data denial of servicevdb-entrytechnical-description
- VDB-360884 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #805701 | Open5gs UDR v2.7.7 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4412exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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