UBUNTU-CVE-2016-3948

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    UBUNTU-CVE-2016-3948

    Published: 7 Apr 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-3948
    Aliases:
    USN-3557-1

    Summary:

    Details: Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.

    References: https://ubuntu.com/security/CVE-2016-3948, http://www.squid-cache.org/Advisories/SQUID-2016_4.txt, https://ubuntu.com/security/notices/USN-3557-1, https://www.cve.org/CVERecord?id=CVE-2016-3948

    Affected packages

    Package

    Name: squid3

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.5.12-1ubuntu7.5

    Affected versions

    3.3.8-1ubuntu16
    3.3.8-1ubuntu17

    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