Product by Avast

    Avast Antivirus

    22 known vulnerabilities in Avast Antivirus (Avast), 0 of them actively exploited (CISA KEV).

    Key figures

    22

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    1

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Avast Antivirus (Avast)
    Not ratedCVE-2007-2846

    Avast\! Antivirus: Heap-Based Buffer Overflow

    —
    Not ratedCVE-2007-2845

    Avast Antivirus: Heap-Based Buffer Overflow

    —
    HighCVE-2026-6064

    Norton, Avast, and AVG local privilege escalation via link following in Data Shredder

    also in 5 other products

    7.3
    Not ratedCVE-2008-6846

    Avast Antivirus: Stack-Based Buffer Overflow

    —
    HighCVE-2025-71326

    AVAST Antivirus 25.11 Unquoted Service Path Privilege Escalation

    7.8
    Not ratedCVE-2007-1673

    Amavis: Infinite Loop

    also in 11 other products

    —
    Not ratedCVE-2007-1672

    Avast Antivirus: Infinite Loop

    —
    Not ratedCVE-2015-5662

    Avast Antivirus: Path Traversal

    —
    Not ratedCVE-2008-5523

    Avast Antivirus: security vulnerability

    —
    HighCVE-2025-7011

    Avast antivirus heap OOB when scanning a malformed zip file

    also in 6 other products

    7.8
    HighCVE-2025-7009

    Avast antivirus heap buffer OOB read when scanning a malformed PE file

    also in 6 other products

    7.8
    HighCVE-2025-7008

    Avast antivirus heap buffer OOB read when scanning a malformed PE file

    also in 6 other products

    7.8
    HighCVE-2025-7004

    Avast antivirus heap buffer OOB write when scanning a malformed PE file

    also in 6 other products

    7.8
    CriticalCVE-2022-4291

    NortonLifelock Avast Antivirus: Improper Restriction of Operations within the Bounds of a Memory Buffer

    also in 1 other product

    7.7
    MediumCVE-2025-7019

    Avast antivirus stack overflow when scanning a malformed Office Open XML file

    also in 6 other products

    5.5
    MediumCVE-2025-7010

    Avast antivirus stack overflow when scanning a malformed PDF file

    also in 6 other products

    5.5
    MediumCVE-2025-7006

    Avast antivirus use of stack memory after free when scanning a malformed PE file

    also in 6 other products

    5.5
    MediumCVE-2025-7005

    Avast antivirus infinite recursion when scanning a malformed PE file

    also in 6 other products

    5.5
    HighCVE-2022-4294

    Norton, Avira, Avast and AVG Antivirus for Windows Privilege Escalation

    also in 4 other products

    7.1
    MediumCVE-2023-1586

    AVG Antivirus: Time-of-check Time-of-use (TOCTOU) Race Condition

    also in 3 other products

    6.5
    MediumCVE-2023-1585

    AVG Antivirus: Time-of-check Time-of-use (TOCTOU) Race Condition

    also in 3 other products

    6.5
    MediumCVE-2023-1587

    AVG Antivirus: NULL Pointer Dereference

    also in 3 other products

    5.8

    All products by Avast