An issue was discovered in Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later). A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service.
History

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

Type Values Removed Values Added
Weaknesses CWE-755
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', '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). A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-09T19:26:47.712Z

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

Link: CVE-2023-43686

cve-icon Vulnrichment

Updated: 2026-06-09T19:26:34.075Z

cve-icon NVD

Status : Deferred

Published: 2026-06-09T19:16:41.907

Modified: 2026-06-09T20:16:30.320

Link: CVE-2023-43686

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.