UBUNTU-CVE-2016-2851

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    UBUNTU-CVE-2016-2851

    Published: 9 Mar 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2016-2851
    Aliases:
    USN-2926-1

    Summary:

    Details: Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.

    References: https://ubuntu.com/security/CVE-2016-2851, https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html, https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/, https://ubuntu.com/security/notices/USN-2926-1, https://www.cve.org/CVERecord?id=CVE-2016-2851

    Affected packages

    Package

    Name: libotr

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.0.0-2.2ubuntu1.1

    Affected versions

    4.0.0-2.2
    4.0.0-2.2ubuntu1

    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
    UBUNTU-CVE-2016-2851 | CVE-DB