CVE-2025-44952
High
Description
A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101.
SeverityHigh
CVSS7.8
Exploit probability—
ProductOpen5gs
PublishedJun 18, 2025
First seenJun 18, 2025
Weakness typeCWE-120CWE-120
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open5gs open5gs | v ≤ 2.7.2 | — |
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