CVE-2026-2522CRITICAL 9.8EPSS p41.5%

CVE-2026-2522CVE-2026-2522

Description

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.55% probability of exploitation · percentile 41.5% · 2026-06-19T12:03:05Z
Published2026-02-16
Last modified2026-02-18

Underlying weaknesses· 1

CWE-119

References

  1. https://github.com/open5gs/open5gs/
  2. https://github.com/open5gs/open5gs/issues/4283
  3. https://github.com/open5gs/open5gs/issues/4283#issue-3807916595
  4. https://vuldb.com/?ctiid.346110
  5. https://vuldb.com/?id.346110
  6. https://vuldb.com/?submit.738336

1

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live

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