Security Advisory

CVE-2026-65421

6.5
MEDIUM

Vulnerability Description

The MMS BER decoder contains a flaw in decoding fixed-width BER fields (boolean/integer): an attacker-supplied length value is not validated, causing a read past the end of a heap buffer. This leads to termination of the MMS service process and a denial-of-service condition.
Published Date July 30, 2026
Official Source NIST NVD Advisory