Vulnerability in Aligungr Ueransim
CVE-2026-7183
A vulnerability has been found in aligungr UERANSIM up to 3.2.7. The affected element is the function rls::DecodeRlsMessage in the library src/lib/rls/rls_pdu.cpp of the component Radio Link Simulation Layer. The manipulation of the argument pduLength leads to uncaught exception. The attack may be initiated remotely. Upgrading to version 3.2.8 is sufficient to fix this issue. The identifier of the patch is ca1a66fffe282767bb08618af9f848e3b68ea47b. It is suggested to upgrade the affected component. This behavior is related to CVE-2024-37877. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.007 (51.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Aligungr Ueransim — versions 3.2.0, 3.2.1, 3.2.2
Weakness classification (CWE)
References
- vuldb.com/vuln/359784 (technical-description, vdb-entry)
- vuldb.com/vuln/359784/cti (signature, permissions-required)
- vuldb.com/submit/800026 (third-party-advisory)
- github.com/aligungr/UERANSIM/commit/ca1a66fffe282767bb08618af9f848e3b68ea47b (patch)
- github.com/aligungr/UERANSIM/releases/tag/v3.2.8 (patch)
- github.com/aligungr/UERANSIM/ (product)
Frequently asked questions
- What is CVE-2026-7183?
- CVE-2026-7183 is a medium-severity vulnerability in Aligungr Ueransim, classified under CWE-248. CVSS score: 5.3/10. Published 2026-04-27.
- How severe is CVE-2026-7183?
- Medium severity. CVSS v3 base score is 5.3 out of 10.