MEDIUMVulnerability
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 past the end of a heap buffer. This leads to termination of the MMS service process and a denial-of-service condition.
Properties
- severity
- MEDIUM
- score
- 6.5
- epss_score
- 0.00175
- cve_id
- CVE-2026-65421
- vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-07-30T23:16:52.597
- last_modified
- 2026-09-03T18:07:20.103
- epss_percentile
- 0.07022
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Out-of-bounds Read
DESCRIBED_BY (1)
→[Source]NVD
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