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

ProductAffected versionsFixed in
open5gs open5gsv ≤ 2.7.2—

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