CVE-2025-44952

7.8 highEPSS 0.2%

High (7.8) in open5gs open5gs. EPSS 0.2% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2025-06-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

open5gs:open5gs

References

https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077
https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077
https://github.com/open5gs/open5gs/issues/3775

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