CVE-2025-65559
High
Description
An issue was discovered in Open5GS 2.7.5-49-g465e90f, when processing a PFCP Session Establishment Request (type=50), the UPF crashes with a reachable assertion in `lib/pfcp/context.c` (`ogs_pfcp_object_teid_hash_set`) if the CreatePDR?PDI?F-TEID has CH=1 and the F-TEID address-family flag(s) (IPv4/IPv6) do not match the GTP-U resource family configured for the selected DNN (Network Instance), resulting in a denial of service.
SeverityHigh
CVSS7.5
Exploit probability—
ProductOpen5gs
PublishedDec 18, 2025
First seenDec 18, 2025
Weakness typeCWE-617CWE-617
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open5gs open5gs | 2.7.5 | — |
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