CVE-2024-9483— Uninitialized variable in digital signiture verification may crash the application
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I. Basic Information for CVE-2024-9483
Vulnerability Information
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Vulnerability Title
Uninitialized variable in digital signiture verification may crash the application
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Avast Antivirus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avast Antivirus是捷克Avast公司的一套杀毒软件。 Avast Antivirus 24092400之前版本存在安全漏洞，该漏洞源于存在空指针解引用问题，在处理畸形的xar文件时，可能会导致应用程序在MacOS系统上崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-9483
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Same Patch Batch · AVG/Avast · 2024-10-04 · 4 CVEs total
| CVE-2024-9484 | 5.1 MEDIUM | Avast Antivirus 安全漏洞 |
| CVE-2024-9481 | 5.1 MEDIUM | Out of Bounds write on scan of malformed eml file may crash the application |
| CVE-2024-9482 | 5.1 MEDIUM | Out of Bounds write on scan of malformed Mach-O file may crash the application |
IV. Related Vulnerabilities
Same product: Antivirus
- CVE-2025-7007
Null pointer dereference in Avast Antivirus on macOS (16.0. - CVE-2025-3500
Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows ma - CVE-2025-8351
Scanning a malformed file in Avast Antivirus 8.3.70.94 on Ma - CVE-2025-10101
Crafted Mach-O file may allow Remote Code Execution in Avast - CVE-2024-13206
REVE Antivirus reveinstall default permission
Same weakness: CWE-476
- CVE-2026-8252
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Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
NULL pointer dereference in SOAP apache:Map decoder with mis - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
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