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    CVE-2024-21639

    CEF (Chromium Embedded Framework ) is a simple framework for embedding Chromium-based browsers in other applications. `CefLayeredWindowUpdaterOSR::OnAllocatedSharedMemory` does not check the size of the shared memory, which leads to out-of-bounds read outside the sandbox. This vulnerability was patched in commit 1f55d2e.

    Published:Jan 12, 2024
    Last Modified:Nov 21, 2024
    EPS:Jan 12, 2024
    EPSS Score:0.00211
    CVSS Score:5.3

    Affected Products

    Vendor
    Chromiumembedded
    Product
    Chromium Embedded Framework

    Exploits

    https://github.com/chromiumembedded/cef/security/advisories/GHSA-m375-jw5x-x8mghttps://github.com/chromiumembedded/cef/security/advisories/GHSA-m375-jw5x-x8mg

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    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