CVE-2026-65421
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Jul 30, 2026
Vendor
unknown
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.