CVE-2024-9483

Summary

CVE-2024-9483 identifies a vulnerability in the signature verification module of AVG/Avast Antivirus versions prior to signature <24092400, released on September 24, 2024, specifically affecting MacOS. This flaw allows for a potential null-pointer dereference when processing malformed xar files, which may lead to application crashes. The vulnerability has been rated with a medium severity (base score of 5.1) and is characterized by high availability impact due to its local attack vector. To remediate this issue, users are advised to update their AVG/Avast Antivirus software to versions that include the latest signatures post-release date. Failure to address this vulnerability could expose organizations to disruptions in antivirus protection and operational downtime.

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