UBUNTU-CVE-2017-7186

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    UBUNTU-CVE-2017-7186

    Published: 20 Mar 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-7186
    Aliases:
    USN-5665-1

    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: https://ubuntu.com/security/CVE-2017-7186, https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/, https://ubuntu.com/security/notices/USN-5665-1, https://www.cve.org/CVERecord?id=CVE-2017-7186

    Affected packages

    Package

    Name: pcre3

    Purl: pkg:deb/ubuntu/pcre3@2:8.38-3.1ubuntu0.1~esm2?arch=source&distro=esm-infra/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:8.38-3.1ubuntu0.1~esm2

    Affected versions

    2:8.35-7.1ubuntu1

    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
    UBUNTU-CVE-2017-7186 | CVE-DB