CVE-2026-56758

The ACSE layer contains a flaw in the processing of AARQ PDUs during MMS connection establishment. When parsing certain fields within the calling AP title, an attacker controlled length value of zero or one may cause the parser to read past the end of a heap buffer.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-10.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-10

Configurations

No configuration.

History

23 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) La capa ACSE contiene una vulnerabilidad en el procesamiento de PDUs AARQ durante el establecimiento de la conexión MMS. Al analizar ciertos campos dentro del título AP de llamada, un valor de longitud controlado por el atacante de cero o uno puede hacer que el analizador lea más allá del final de un búfer de pila.

Information

Published : 2026-07-30 23:16

Updated : 2026-10-23 22:10

NVD link : CVE-2026-56758

Mitre link : CVE-2026-56758

CVE.ORG link : CVE-2026-56758

JSON object : View

Products Affected

No product.

CWE

CWE-125

Out-of-bounds Read

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