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    ArchLinux: 202009-12: lib32-brotli: denial of service

    Date 06 Oct 2020
    Posted By LinuxSecurity Advisories
    The package lib32-brotli before version 1.0.9-1 is vulnerable to denial of service.
    Arch Linux Security Advisory ASA-202009-12
    Severity: Medium
    Date    : 2020-09-26
    CVE-ID  : CVE-2020-8927
    Package : lib32-brotli
    Type    : denial of service
    Remote  : Yes
    Link    :
    The package lib32-brotli before version 1.0.9-1 is vulnerable to denial
    of service.
    Upgrade to 1.0.9-1.
    # pacman -Syu "lib32-brotli>=1.0.9-1"
    The problem has been fixed upstream in version 1.0.9.
    A buffer overflow exists in the Brotli library < 1.0.8, where an
    attacker controlling the input length of a "one-shot" decompression
    request to a script can trigger a crash, which happens when copying
    over chunks of data larger than 2 GiB. It is recommended to update your
    Brotli library to 1.0.8 or later. If one cannot update, we recommend to
    use the "streaming" API as opposed to the "one-shot" API, and impose
    chunk size limits.
    A remote attacker might be able to cause a crash via crafted content.

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