CVE-2026-100892: aligungr UERANSIM nr-gnb handler.cpp ULInformationTransfer memory corruption

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-28 · updated 2026-09-28
Weakness: CWE-119

Description

A vulnerability was found in aligungr UERANSIM up to 3.3.0. This affects the function ULInformationTransfer of the file src/gnb/rrc/handler.cpp of the component nr-gnb. Performing a manipulation of the argument dedicatedNASMessage results in memory corruption. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

aligungr UERANSIM: 3.0, 3.1, 3.2, 3.3.0

References

https://gist.github.com/centauruszzz/c69a6bd152f45d9ca8db981f7da34bed
https://vuldb.com/cve/CVE-2026-100892
https://vuldb.com/submit/917313
https://vuldb.com/vuln/410842
https://vuldb.com/vuln/410842/cti

Get alerted when CVE-2026-100892 or the next vulnerability affects your stack