CVE-2024-9481

Name: CVE-2024-9481
Creator: NVD / NIST
Published: 2024-10-04T13:15:12.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2024-9481 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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 eml file to crash the application during file processing.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

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 eml file to crash the application during file processing.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.13%

3.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Avast	Antivirus	< 24092400
Avg	Antivirus	< 24092400

References

https://support.norton.com/sp/static/external/tools/security-advisories.htmlNot Applicable

Timeline

Published: Oct 4, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-9481?

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 eml file to crash the application during file processing.

How severe is CVE-2024-9481?

CVE-2024-9481 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2024-9481?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-9481?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST