CVE-2026-7183
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk33th percentile - higher than 33% of all known CVEs
Summary
Vulnerability in aligungr UERANSIM up to version 3.2.7. The function rls::DecodeRlsMessage in the library src/lib/rls/rls_pdu.cpp of the Radio Link Simulation Layer component leads to an uncaught exception when manipulating the pduLength argument. The attack may be initiated remotely. Fixed in version 3.2.8.
Risk Assessment
Risk of remote disruption of the 5G network simulator, which may impact testing and development. Uncaught exception could lead to crashes.
Recommendation
Update UERANSIM to version 3.2.8 or apply patch ca1a66fffe282767bb08618af9f848e3b68ea47b.
Original NVD description (English source)
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.