An issue was discovered in Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later). There is a Heap buffer overflow in various buffer encryption utilities.

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Fixes

Solution

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Workaround

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History

Tue, 09 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Jun 2026 18:45:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later). There is a Heap buffer overflow in various buffer encryption utilities.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-09T18:13:10.350Z

Reserved: 2023-09-21T00:00:00.000Z

Link: CVE-2023-43688

cve-icon Vulnrichment

Updated: 2026-06-09T19:30:04.857Z

cve-icon NVD

Status : Deferred

Published: 2026-06-09T19:16:42.060

Modified: 2026-06-09T19:35:05.693

Link: CVE-2023-43688

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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