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Avast Antivirus — Vulnerabilities & Security Advisories 14

All 14 CVE vulnerabilities found in Avast Antivirus, with AI-generated Chinese analysis, references, and POCs.

This page aggregates vulnerability data for the product Avast Antivirus, focusing specifically on the Avast vendor and common security weakness types relevant to security software. It collects historical and recent security flaws affecting this product, covering a multi-year time range from early CVE publications to the most recent advisories. Visitors can track the vendor’s security advisories, understand the evolution of specific weakness classes in antivirus engines, and review the complete vulnerability history for Avast Antivirus to assess its security posture over time.

Vendor: AVAST

CVE ID Title CVSS Severity Published
CVE-2025-71326 AVAST Antivirus 25.11 Unquoted Service Path Privilege Escalation CWE-428 7.8 High 2026-06-19
CVE-2025-7019 Avast antivirus stack overflow when scanning a malformed Office Open XML file CWE-121 5.5 Medium 2026-06-12
CVE-2025-7011 Avast antivirus heap OOB when scanning a malformed zip file CWE-125 7.8 High 2026-06-12
CVE-2025-7010 Avast antivirus stack overflow when scanning a malformed PDF file CWE-674 5.5 Medium 2026-06-12
CVE-2025-7009 Avast antivirus heap buffer OOB read when scanning a malformed PE file CWE-125 7.8 High 2026-06-12
CVE-2025-7008 Avast antivirus heap buffer OOB read when scanning a malformed PE file CWE-125 7.8 High 2026-06-12
CVE-2025-7006 Avast antivirus use of stack memory after free when scanning a malformed PE file CWE-590 5.5 Medium 2026-06-12
CVE-2025-7005 Avast antivirus infinite recursion when scanning a malformed PE file CWE-674 5.5 Medium 2026-06-12
CVE-2025-7004 Avast antivirus heap buffer OOB write when scanning a malformed PE file CWE-787 7.8 High 2026-06-12
CVE-2025-10101 Avast antivirus heap buffer OOB read when scanning a malformed Mach-O file CWE-125 7.8 High 2025-12-01
CVE-2023-1587 AVG Technologies AVG Antivirus 代码问题漏洞 CWE-476 5.8 Medium 2023-04-19
CVE-2023-1586 AVG Technologies AVG Antivirus 安全漏洞 CWE-367 6.5 Medium 2023-04-19
CVE-2023-1585 AVG Technologies AVG Antivirus 安全漏洞 CWE-367 6.5 Medium 2023-04-19
CVE-2022-4291 Aswjsflt.dll in Avast Antivirus windows caused a crash of the Mozilla Firefox browser due to heap corruption CWE-119 7.7 High 2022-12-07

All 14 known CVE vulnerabilities affecting Avast Antivirus with full Chinese analysis, references, and POCs where available.