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TI-2026-65030 Aliases CVE-2026-100892GHSA-mqvr-mhj9-rgx9

aligungr UERANSIM nr-gnb handler.cpp ULInformationTransfer memory corruption

Priority HIGH 70CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00372 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
aligungrUERANSIM3.0; 3.1; 3.2; 3.3.0—No fix listedCNA
  • UERANSIM Vendoraligungr Affected 3.0; 3.1; 3.2; 3.3.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:aligungr:ueransim:*:*:*:*:*:*:*:*——aligungr
  • cpe:2.3:a:aligungr:ueransim:*:*:*:*:*:*:*:* Versions — — ·aligungr

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-100892
  2. 2026-10-03 Alias added: GHSA-mqvr-mhj9-rgx9

References

Exploit 1

  • TI-2026-65068 aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exception CVSS 4.0MEDIUM 6.9
  • TI-2026-06304 aligungr UERANSIM Radio Link Simulation Layer rls_pdu.cpp DecodeRlsMessage uncaught exception CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences