How severe is CVE-2024-9482?

CVE-2024-9482 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-9482 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-9482?

CVE-2024-9482 primarily affects Avast Antivirus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-9482?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-9482 have an EU (EUVD) identifier?

Yes. CVE-2024-9482 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49970.

When was CVE-2024-9482 published?

CVE-2024-9482 was published on 2024-10-04 and last updated on 2026-06-17.

CVE-2024-9482

CVE-2024-9482 is a medium-severity vulnerability in Avast Antivirus with a CVSS 3.x base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49970
Weakness: CWE-787
Affected product: Avast Antivirus
Published: 2024-10-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-9482?: 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.
How severe is CVE-2024-9482?: CVE-2024-9482 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-9482 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-9482?: CVE-2024-9482 primarily affects Avast Antivirus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-9482?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-9482 have an EU (EUVD) identifier?: Yes. CVE-2024-9482 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49970.
When was CVE-2024-9482 published?: CVE-2024-9482 was published on 2024-10-04 and last updated on 2026-06-17.

References

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

Affected products (2)

cpe:2.3:a:avast:antivirus:*:*:*:*:*:macos:*:*
cpe:2.3:a:avg:antivirus:*:*:*:*:*:macos:*:*

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