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CVE-2025-44952

Good to know:

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Date: June 17, 2025

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.

Severity Score

Related Resources (5)

https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077
https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077
https://github.com/open5gs/open5gs/issues/3775
https://nvd.nist.gov/vuln/detail/CVE-2025-44952
https://www.mend.io/vulnerability-database/CVE-2025-44952

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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Upgrade Version

Upgrade to version https://github.com/althea-net/open5gs.git - null

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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