What is CVE-2025-26265?

CVE-2025-26265 is a medium-severity vulnerability in Openairinterface Openairinterface5g, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2025-03-27.

How severe is CVE-2025-26265?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Openairinterface Openairinterface5g

CVE-2025-26265

A segmentation fault in openairinterface5g v2.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted UE Context Modification response.

Vulnerability class: Buffer Overflow

Published 2025-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Openairinterface Openairinterface5g — versions 2.1.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

gitlab.eurecom.fr/oai/openairinterface5g (Product)
www.sigmobile.org/mobicom/2025/ (Not Applicable)
anonymous.4open.science/r/Mobicom-ARCANE-36B7/README.md (Exploit)

Frequently asked questions

What is CVE-2025-26265?: CVE-2025-26265 is a medium-severity vulnerability in Openairinterface Openairinterface5g, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2025-03-27.
How severe is CVE-2025-26265?: Medium severity. CVSS v3 base score is 6.5 out of 10.