CVE-2019-7663

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    CVE-2019-7663

    Published: 9 Feb 2019Last Modified: 8 Jul 2026

    Summary:

    Details: An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html, https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html, https://security.gentoo.org/glsa/202003-25, https://usn.ubuntu.com/3906-1/, https://usn.ubuntu.com/3906-2/, https://www.debian.org/security/2020/dsa-4670, http://bugzilla.maptools.org/show_bug.cgi?id=2833, https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- b8eac98dd0849c3f888518ce5cecc020f8b2991c
    Fixed -None

    Affected versions

    4.0.10

    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