← Vulnerability feed

Vulnerability record · CVE-2024-9482 · published 4 October 2024

CVE-2024-9482: Avast antivirus out-of-bounds write vulnerability

Avast · Antivirus

An out-of-bounds write in the engine module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS allows a malformed Mach-O file to crash the application during file processing.

5.5 CVSS 3.1 Medium EPSS 0.13% · top 97.6% CWE-787 · Out-of-bounds write
5.5CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

An out-of-bounds write in the engine module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS allows a malformed Mach-O file to crash the application during file processing.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.norton.com/sp/static/external/tools/security-advisories.html Not Applicable

Track CVE-2024-9482 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-3500Avast antivirus integer overflow vulnerabilityInteger Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: fro…EPSS 0.46%9.8CVE-2020-10867Avast antivirus exposure of resource to wrong sphere vulnerabilityAn issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows atta…EPSS 2.2%9.8CVE-2017-8307Avast antivirus vulnerabilityIn Avast Antivirus before v17, using the LPC interface API exposed by the AvastSVC.exe Windows service, it is possible to launch predefined binaries,…EPSS 1.8%9.3CVE-2008-5522Avg antivirus improper input validation vulnerabilityAVG Anti-Virus 8.0.0.161, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placin…EPSS 2.9%8.8CVE-2021-45335Avast antivirus incorrect default permissions vulnerabilitySandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, an…EPSS 0.38%8.8CVE-2021-45336Avast antivirus vulnerabilityPrivilege escalation vulnerability in the Sandbox component of Avast Antivirus prior to 20.4 allows a local sandboxed code to gain elevated privilege…EPSS 0.46%8.8CVE-2021-45337Avast antivirus vulnerabilityPrivilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain ele…EPSS 0.43%7.8CVE-2025-13032Avast antivirus toctou race condition vulnerabilityDouble fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3  on windows allows local attacker to escalate privelages via pool overflow.EPSS 0.25%

Source: NIST National Vulnerability Database (record CVE-2024-9482), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.