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    CVE-2018-16839

    Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.

    Published:Oct 31, 2018
    Last Modified:Apr 15, 2026
    EPS:Oct 31, 2018
    EPSS Score:0.00365
    CVSS Score:4.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Haxx
    Product
    Curl
    Vendor
    Redhat
    Product
    Jboss Core Services

    Exploits

    No exploit reference

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    References

    http://www.securitytracker.com/id/1042012
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839
    https://curl.haxx.se/docs/CVE-2018-16839.html
    https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5
    https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
    https://security.gentoo.org/glsa/201903-03
    https://usn.ubuntu.com/3805-1/
    https://www.debian.org/security/2018/dsa-4331
    http://www.securitytracker.com/id/1042012
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839
    https://curl.haxx.se/docs/CVE-2018-16839.html
    https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5
    https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
    https://security.gentoo.org/glsa/201903-03
    https://usn.ubuntu.com/3805-1/
    https://www.debian.org/security/2018/dsa-4331

    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