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  • [gentoo-announce] [ GLSA 202407-24 ] HarfBuzz: Denial of Service

    From [email protected]@21:1/5 to All on Wed Jul 10 08:20:01 2024
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    Gentoo Linux Security Advisory GLSA 202407-24
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    https://security.gentoo.org/
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    Severity: Normal
    Title: HarfBuzz: Denial of Service
    Date: July 10, 2024
    Bugs: #905310
    ID: 202407-24

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    Synopsis
    ========

    A vulnerability has been discovered in HarfBuzz, which can lead to a
    denial of service.

    Background
    ==========

    HarfBuzz is an OpenType text shaping engine.

    Affected packages
    =================

    Package Vulnerable Unaffected
    ------------------- ------------ ------------
    media-libs/harfbuzz < 7.1.0 >= 7.1.0

    Description
    ===========

    Multiple vulnerabilities have been discovered in HarfBuzz. Please review
    the CVE identifiers referenced below for details.

    Impact
    ======

    hb-ot-layout-gsubgpos.hh in HarfBuzz allows attackers to trigger O(n^2)
    growth via consecutive marks during the process of looking back for base
    glyphs when attaching marks.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All HarfBuzz users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/harfbuzz-7.1.0"

    References
    ==========

    [ 1 ] CVE-2023-22006
    https://nvd.nist.gov/vuln/detail/CVE-2023-22006
    [ 2 ] CVE-2023-22036
    https://nvd.nist.gov/vuln/detail/CVE-2023-22036
    [ 3 ] CVE-2023-22041
    https://nvd.nist.gov/vuln/detail/CVE-2023-22041
    [ 4 ] CVE-2023-22044
    https://nvd.nist.gov/vuln/detail/CVE-2023-22044
    [ 5 ] CVE-2023-22045
    https://nvd.nist.gov/vuln/detail/CVE-2023-22045
    [ 6 ] CVE-2023-22049
    https://nvd.nist.gov/vuln/detail/CVE-2023-22049
    [ 7 ] CVE-2023-25193
    https://nvd.nist.gov/vuln/detail/CVE-2023-25193

    Availability
    ============

    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:

    https://security.gentoo.org/glsa/202407-24

    Concerns?
    =========

    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to [email protected] or alternatively, you may file a bug at https://bugs.gentoo.org.

    License
    =======

    Copyright 2024 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).

    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.

    https://creativecommons.org/licenses/by-sa/2.5
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