CVE-2023-43688

HIGH

Malwarebytes 4.x-5.x and Nebula 2020-10-21 and later - Heap-based Buffer Overflow in Buffer Encryption Utilities

Title source: llm

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 (1)

Core 1

Core References

https://www.malwarebytes.com/secure/cves/cve-2023-43688

Scores

CVSS v3 7.5

EPSS 0.0022

EPSS Percentile 11.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-122

Status published

Published Jun 09, 2026

Tracked Since Jun 10, 2026