Vulnerability · Published Jan 1, 2026 · Assigned by VulDB
CVE-2025-15418Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service
Low 3.3
In plain English
A low-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-404 · Vector: 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
References
- VDB-339340 | Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service vdb-entry, technical-description
- VDB-339340 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #728043 | Open5GS SGWC v2.7.6 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4217 issue-tracking
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105 issue-tracking
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968 exploit, issue-tracking
- https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a patch
- https://github.com/open5gs/open5gs/ product