CVE-2026-2522
Open5GS MME esm-build.c memory corruption
- State
- Published
- Severity
- 6.9 Medium
- Published
- Feb 15, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 15, 2026
Description
A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. 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 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-119 Memory Corruption
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-346110 | Open5GS MME esm-build.c memory corruptionvdb-entrytechnical-description
- VDB-346110 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #738336 | Open5GS MME v2.7.6 Buffer Overflowthird-party-advisory
- https://github.com/open5gs/open5gs/issues/4283issue-tracking
- https://github.com/open5gs/open5gs/issues/4283#issue-3807916595exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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