CVE-2016-3947

    Dashboard / Vulnerabilities / CVE-2016-3947

    CVE-2016-3947

    Published: 7 Apr 2016Last Modified: 8 Jul 2026

    Summary:

    Details: Heap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8 allows remote servers to cause a denial of service (performance degradation or transition failures) or write sensitive information to log files via an ICMPv6 packet.

    References: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html, http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html, http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html, http://www.securitytracker.com/id/1035457, http://www.squid-cache.org/Advisories/SQUID-2016_3.txt, http://www.ubuntu.com/usn/USN-2995-1, https://security.gentoo.org/glsa/201607-01, http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10495.patch, http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11839.patch, http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12694.patch, http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13232.patch, http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14015.patch

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.0.1
    4.0.2
    4.0.3
    4.0.4
    4.0.5
    4.0.6
    4.0.7

    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
    CVE-2016-3947 | CVE-DB