CVE-2026-100892 Details
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.
A memory corruption vulnerability has been identified in aligungr UERANSIM versions through 3.3.0, specifically within the nr-gnb component. The issue arises in the ULInformationTransfer function of handler.cpp, where improper handling of the dedicatedNASMessage argument leads to memory corruption. This vulnerability can be exploited remotely, causing a denial-of-service condition by crashing the gNB with a segmentation fault.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 28, 2026CISA-ADP
Assessed Sep 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/centauruszzz/c69a6bd152f45d9ca8db981f7da34bed | [email protected] | ExploitTechnical Description |
| https://vuldb.com/cve/CVE-2026-100892 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/917313 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/410842 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/410842/cti | [email protected] | AdvisoryPermission Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| aligungr UERANSIM | <= 3.3.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 28, 2026 | CVE Modified | CISA-ADP |
| Sep 28, 2026 | New CVE Received | [email protected] |