Description
An issue was discovered in Malwarebytes 4.6.14.326 and before 5.1.5.116 (and Nebula 2020-10-21 and later). A Stack buffer out-of-bounds access exists because of an integer underflow when handling newline characters.
References (1)
Core 1
Core References
Various Sources
https://www.malwarebytes.com/secure/cves/cve-2023-43683
Scores
CVSS v3
6.5
EPSS
0.0008
EPSS Percentile
22.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
CWE-125
Status
published
Published
Aug 14, 2025
Tracked Since
Feb 18, 2026