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    CVE-2024-21640

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

    Published:Jan 13, 2024
    Last Modified:Jun 17, 2025
    EPS:Jan 13, 2024
    EPSS Score:0.00246
    CVSS Score:5.4

    Affected Products

    Vendor
    Chromiumembedded
    Product
    Chromium Embedded Framework

    Exploits

    https://github.com/chromiumembedded/cef/security/advisories/GHSA-3h3j-38xq-v7hhhttps://github.com/chromiumembedded/cef/security/advisories/GHSA-3h3j-38xq-v7hh

    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