CVE-2024-9483 Uninitialized variable in digital signiture verification may crash the application
A malformed xar file can crash the AVG/Avast Antivirus application on macOS due to a null pointer dereference during signature verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-9483?
CVE-2024-9483 is a medium-severity vulnerability in AVG/Avast Antivirus, published on 4 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.
Weakness: CWE-476
Which versions are affected by CVE-2024-9483?
It affects 2 products.
Products include Avast Antivirus, Avg Antivirus.
How do I fix CVE-2024-9483?
No fix has been published for CVE-2024-9483 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-9483 being exploited?
There is no known exploitation of CVE-2024-9483 in the wild and no public exploit code.
Other vulnerabilities in AVG/Avast Antivirus
- CVE-2025-13032 Race condition in (Free/Inernet Security/Ultimate) Antivirus
- CVE-2020-10867 Security feature bypass in n/a
- CVE-2017-8307 Missing authorization in n/a
- CVE-2025-3500 Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation
- CVE-2021-45335 Missing authorization in n/a
Sources
Also known as GHSA-hm4r-q33h-2fw6.