CVE-2023-43688 Memory corruption in n/a
Heap buffer overflow in Malwarebytes encryption utilities allows attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43688?
CVE-2023-43688 is a high-severity memory corruption vulnerability in n/a, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-122
Which versions are affected by CVE-2023-43688?
How do I fix CVE-2023-43688?
No fix has been published for CVE-2023-43688 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-43688 being exploited?
There is no known exploitation of CVE-2023-43688 in the wild and no public exploit code.
Sources
Also known as GHSA-f7rc-q845-f8r8.