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    CVE-2021-33641

    When processing files, malloc stores the data of the current line. When processing comments, malloc incorrectly accesses the released memory (use after free).

    Published:May 28, 2022
    Last Modified:Apr 3, 2025
    EPS:Jan 20, 2023
    EPSS Score:0.00035
    CVSS Score:7.8

    Affected Products

    Vendor
    Openeuler
    Product
    Byacc

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High