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    CVE-2016-10197

    The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.

    Published:Mar 3, 2016
    Last Modified:Apr 20, 2025
    EPS:Mar 15, 2017
    EPSS Score:0.01864
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Libevent Project
    Product
    Libevent
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/libevent/libevent/issues/332https://github.com/libevent/libevent/issues/332

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    http://www.debian.org/security/2017/dsa-3789
    http://www.openwall.com/lists/oss-security/2017/01/31/17
    http://www.openwall.com/lists/oss-security/2017/02/02/7
    http://www.securityfocus.com/bid/96014
    http://www.securitytracker.com/id/1038320
    https://access.redhat.com/errata/RHSA-2017:1104
    https://access.redhat.com/errata/RHSA-2017:1106
    https://access.redhat.com/errata/RHSA-2017:1201
    https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
    https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
    https://github.com/libevent/libevent/issues/332
    https://security.gentoo.org/glsa/201705-01
    http://www.debian.org/security/2017/dsa-3789
    http://www.openwall.com/lists/oss-security/2017/01/31/17
    http://www.openwall.com/lists/oss-security/2017/02/02/7
    http://www.securityfocus.com/bid/96014
    http://www.securitytracker.com/id/1038320
    https://access.redhat.com/errata/RHSA-2017:1104
    https://access.redhat.com/errata/RHSA-2017:1106
    https://access.redhat.com/errata/RHSA-2017:1201
    https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
    https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
    https://github.com/libevent/libevent/issues/332
    https://security.gentoo.org/glsa/201705-01

    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