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    Gentoo: GLSA-202006-16: PCRE2: Denial of service

    Date
    166
    Posted By
    A vulnerability in PCRE2 could lead to a Denial of Service condition.
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    Gentoo Linux Security Advisory                           GLSA 202006-16
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: PCRE2: Denial of service
         Date: June 15, 2020
         Bugs: #717800
           ID: 202006-16
    
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    Synopsis
    ========
    
    A vulnerability in PCRE2 could lead to a Denial of Service condition.
    
    Background
    ==========
    
    PCRE2 is a project based on PCRE (Perl Compatible Regular Expressions)
    which has a new and revised API.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-libs/pcre2               < 10.34                    >= 10.34 
    
    Description
    ===========
    
    PCRE2 has a flaw when handling JIT-compiled regex using the \X pattern.
    
    Impact
    ======
    
    An attacker could cause a possible Denial of Service condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All PCRE2 users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/pcre2-10.34"
    
    References
    ==========
    
    [ 1 ] CVE-2019-20454
          https://nvd.nist.gov/vuln/detail/CVE-2019-20454
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202006-16
    
    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
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2020 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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