What’s Vulnerable › Vulnerabilities
CVE-2024-9483: Uninitialized variable in digital signiture verification may crash the application
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-10-04 · updated 2026-06-17
- Weakness: CWE-476
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.
Affected products
- Avast Antivirus: before 24092400 — fixed in 24092400
- AVG AntiVirus Free: before 24092400 — fixed in 24092400
How to fix
Upgrade to a fixed version: Avast Antivirus 24092400; AVG AntiVirus Free 24092400. Check the vendor advisory for mitigations.
References
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