CVE-2023-43688
HIGH
7.5
CVSS Score
Published: June 9, 2026 at 12:00 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
2 products affected across 1 vendorMalwarebytesMalwarebytes Nebula
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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4 ≤ v < 55 ≤ v < 6
v ≥ 2020-10-21
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
Source: cverecord
https://www.malwarebytes.com/secure/cves/cve-2023-43688SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-122
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