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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 documents known security weaknesses within the Avast Antivirus product, focusing on common vulnerability classifications associated with endpoint protection software. It aggregates publicly disclosed issues ranging from remote code execution flaws to permission bypass errors that have impacted the stability and security posture of the software suite. The collection covers vulnerabilities reported between 2018 and 2023, ensuring a comprehensive view of historical security incidents rather than isolated recent events. By organizing these findings chronologically and categorically, the page allows security professionals to track how Avast has responded to advisories over time. Users can examine specific weakness classes to understand the root causes of past failures, such as improper input validation or insecure default configurations. This resource enables deeper analysis of the product’s vulnerability history, helping analysts identify patterns in patch deployment and remediation speed. It serves as a neutral reference for understanding the security evolution of the product without promotional bias or marketing language. The data supports informed decision-making for enterprise security teams evaluating third-party protection tools. Each entry reflects verified public disclosures, providing transparency into the types of risks that have been addressed. Researchers can use this aggregated view to compare against industry benchmarks or assess the effectiveness of ongoing security improvements. The content is strictly factual, avoiding speculation or unsupported claims about future product performance. It offers a structured overview for those interested in the technical aspects of vulnerability management within this specific antivirus solution.

Vendor: AVAST

CVE IDTitleCVSSSeverityPublished
CVE-2025-71326 AVAST Antivirus 25.11 Unquoted Service Path Privilege Escalation CWE-428 7.8 High2026-06-19
CVE-2025-7019 Avast antivirus stack overflow when scanning a malformed Office Open XML file CWE-121 5.5 Medium2026-06-12
CVE-2025-7011 Avast antivirus heap OOB when scanning a malformed zip file CWE-125 7.8 High2026-06-12
CVE-2025-7010 Avast antivirus stack overflow when scanning a malformed PDF file CWE-674 5.5 Medium2026-06-12
CVE-2025-7009 Avast antivirus heap buffer OOB read when scanning a malformed PE file CWE-125 7.8 High2026-06-12
CVE-2025-7008 Avast antivirus heap buffer OOB read when scanning a malformed PE file CWE-125 7.8 High2026-06-12
CVE-2025-7006 Avast antivirus use of stack memory after free when scanning a malformed PE file CWE-590 5.5 Medium2026-06-12
CVE-2025-7005 Avast antivirus infinite recursion when scanning a malformed PE file CWE-674 5.5 Medium2026-06-12
CVE-2025-7004 Avast antivirus heap buffer OOB write when scanning a malformed PE file CWE-787 7.8 High2026-06-12
CVE-2025-10101 Avast antivirus heap buffer OOB read when scanning a malformed Mach-O file CWE-125 7.8 High2025-12-01
CVE-2023-1587 AVG Technologies AVG Antivirus 代码问题漏洞 CWE-476 5.8 Medium2023-04-19
CVE-2023-1586 AVG Technologies AVG Antivirus 安全漏洞 CWE-367 6.5 Medium2023-04-19
CVE-2023-1585 AVG Technologies AVG Antivirus 安全漏洞 CWE-367 6.5 Medium2023-04-19
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 High2022-12-07

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