HIGH 7.1 NVD
CVE-2026-65421
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 p
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.
References
- 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
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-07-30 via NVD.
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