UBUNTU-CVE-2018-20847

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    UBUNTU-CVE-2018-20847

    Published: 26 Jun 2019Last Modified: 29 May 2026
    Upstream:
    CVE-2018-20847
    Aliases:
    USN-4497-1

    Summary:

    Details: An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.

    References: https://ubuntu.com/security/CVE-2018-20847, https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949, https://github.com/uclouvain/openjpeg/issues/431, https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845, https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html, https://ubuntu.com/security/notices/USN-4497-1, https://www.cve.org/CVERecord?id=CVE-2018-20847

    Affected packages

    Package

    Name: openjpeg2

    Purl: pkg:deb/ubuntu/openjpeg2?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.2-1.1+deb9u5build0.16.04.1

    Affected versions

    2.1.0-2.1
    2.1.0-2.1ubuntu0.1
    2.1.2-1.1+deb9u2build0.1
    2.1.2-1.1+deb9u3build0.16.04.1

    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-2018-20847 | CVE-DB