CVE-2019-7663

MEDIUM

libtiff 4.0.10 - Denial of Service via TIFFWriteDirectoryTagTransferfunction

Title source: llm
STIX 2.1

Description

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 (8)

Core 8
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
http://bugzilla.maptools.org/show_bug.cgi?id=2833
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3906-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3906-2/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202003-25
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4670

Scores

CVSS v3 6.5
EPSS 0.0070
EPSS Percentile 72.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

Status published
Products (8)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
libtiff/libtiff 4.0.10
opensuse/leap 15.0
Published Feb 09, 2019
Tracked Since Feb 18, 2026