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CVE-2024-9483

Uninitialized variable in digital signiture verification may crash the application

MEDIUM
5.5
CVSS Score
Published: October 4, 2024 at 12:29 PM UTC
Updated: June 17, 2026 at 08:24 AM UTC
3 products affected across 3 vendorsAntivirusAntivirusAntivirus

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Antivirus· Avast
95%
v < 24092400
Affected range stops below 24092400, so it looks safe — our inference, not a vendor statement
Antivirus· Avg
95%
v < 24092400
Affected range stops below 24092400, so it looks safe — our inference, not a vendor statement
Antivirus· Avg Avast
60%
24/Sep/2024 ≤ v < < 2409240024/Sep/2024
Affected range stops below < 24092400, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Not Applicable
Source: [email protected]
https://support.norton.com/sp/static/external/tools/security-advisories.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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