CVE-2025-15539
Medium · 5.3CVSS
5.3
EPSS
0.7%
Published
Jan 19, 2026
CISA due date
—
The record
A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b4707272c1caf6a7d4dca905694ea55557a0545f. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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