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    CVE-2016-10196

    Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.

    Published:Jan 27, 2016
    Last Modified:Nov 25, 2025
    EPS:Mar 15, 2017
    EPSS Score:0.00814
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Libevent Project
    Product
    Libevent
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/libevent/libevent/issues/318https://github.com/libevent/libevent/issues/318

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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://bugzilla.mozilla.org/show_bug.cgi?id=1343453
    https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
    https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
    https://github.com/libevent/libevent/issues/318
    https://security.gentoo.org/glsa/201705-01
    https://www.mozilla.org/security/advisories/mfsa2017-10/
    https://www.mozilla.org/security/advisories/mfsa2017-11/
    https://www.mozilla.org/security/advisories/mfsa2017-12/
    https://www.mozilla.org/security/advisories/mfsa2017-13/
    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://bugzilla.mozilla.org/show_bug.cgi?id=1343453
    https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
    https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
    https://github.com/libevent/libevent/issues/318
    https://security.gentoo.org/glsa/201705-01
    https://www.mozilla.org/security/advisories/mfsa2017-10/
    https://www.mozilla.org/security/advisories/mfsa2017-11/
    https://www.mozilla.org/security/advisories/mfsa2017-12/
    https://www.mozilla.org/security/advisories/mfsa2017-13/

    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