QID 239317

Date Published: 2021-05-20

QID 239317: Red Hat Update for brotli (RHSA-2021:1702)

Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression.

Security Fix(es): brotli: buffer overflow when input chunk is larger than 2GiB (CVE-2020-8927)

Affected Products:

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for ARM 64 8 aarch64

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:1702 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239317

    CVE-2020-8927 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1702 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1702?language=en
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