CVE-2025-15418
Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jan 1, 2026
- Updated
- Feb 23, 2026
- Reserved
- Jan 1, 2026
Description
A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing a manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/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 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-339340 | Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of servicevdb-entrytechnical-description
- VDB-339340 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #728043 | Open5GS SGWC v2.7.6 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4217issue-tracking
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105issue-tracking
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968exploitissue-tracking
- https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83apatch
- https://github.com/open5gs/open5gs/product
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