CVE-2016-9586

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    CVE-2016-9586

    Published: 23 Apr 2018Last Modified: 8 Jul 2026

    Summary:

    Details: curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.

    References: https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E, https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E, https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html, http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html, http://www.securityfocus.com/bid/95019, http://www.securitytracker.com/id/1037515, https://access.redhat.com/errata/RHSA-2018:3558, https://curl.haxx.se/docs/adv_20161221A.html, https://security.gentoo.org/glsa/201701-47, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9586, https://github.com/curl/curl/commit/curl-7_51_0-162-g3ab3c16

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -95c717bbd9c327c38b4efcc37d5cda29b8ee2a36

    Affected versions

    curl-7_51_0

    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