UBUNTU-CVE-2016-2191

    Dashboard / Vulnerabilities / UBUNTU-CVE-2016-2191

    UBUNTU-CVE-2016-2191

    Published: 13 Apr 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-2191
    Aliases:
    USN-2951-1

    Summary:

    Details: The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

    References: https://ubuntu.com/security/CVE-2016-2191, http://www.openwall.com/lists/oss-security/2016/04/04/2, https://ubuntu.com/security/notices/USN-2951-1, https://www.cve.org/CVERecord?id=CVE-2016-2191

    Affected packages

    Package

    Name: optipng

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.4-1ubuntu0.14.04.1

    Affected versions

    0.6.4-1build1

    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