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  • [gentoo-announce] [ GLSA 202107-07 ] glibc: Multiple vulnerabilities

    From John Helmert III@21:1/5 to All on Tue Jul 6 10:40:01 2021
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    Gentoo Linux Security Advisory GLSA 202107-07
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    https://security.gentoo.org/
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    Severity: Normal
    Title: glibc: Multiple vulnerabilities
    Date: July 06, 2021
    Bugs: #764176, #767718, #772425, #792261
    ID: 202107-07

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    Synopsis
    ========

    Multiple vulnerabilities in glibc could result in Denial of Service.

    Background
    ==========

    glibc is a package that contains the GNU C library.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 sys-libs/glibc < 2.33-r1 >= 2.33-r1

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

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

    Impact
    ======

    An attacker could cause a possible Denial of Service condition.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All glibc users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.33-r1"

    References
    ==========

    [ 1 ] CVE-2019-25013
    https://nvd.nist.gov/vuln/detail/CVE-2019-25013
    [ 2 ] CVE-2020-27618
    https://nvd.nist.gov/vuln/detail/CVE-2020-27618
    [ 3 ] CVE-2021-27645
    https://nvd.nist.gov/vuln/detail/CVE-2021-27645
    [ 4 ] CVE-2021-3326
    https://nvd.nist.gov/vuln/detail/CVE-2021-3326
    [ 5 ] CVE-2021-33574
    https://nvd.nist.gov/vuln/detail/CVE-2021-33574

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

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

    https://security.gentoo.org/glsa/202107-07

    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 security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

    License
    =======

    Copyright 2021 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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