CVE-2017-7186

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    CVE-2017-7186

    Published: 20 Mar 2017Last Modified: 8 Jul 2026

    Summary:

    Details: libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

    References: http://www.securityfocus.com/bid/97030, https://access.redhat.com/errata/RHSA-2018:2486, https://bugs.exim.org/show_bug.cgi?id=2052, https://security.gentoo.org/glsa/201710-09, https://security.gentoo.org/glsa/201710-25, https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/, https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date, https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date, https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date, https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 08f2a603e8ab886d1074f6ebab787f0ab05f1c2e
    Fixed -None

    Affected versions

    10.23

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High