CVE-2019-7663
mediumpriority · track · 27EPSS 0.034 · 89 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (22)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (33)
External citations — patches, advisories, analysis.
- http://bugzilla.maptools.org/show_bug.cgi?id=2833cnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.htmlcnnvd
- http://www.ubuntu.com/usn/usn-3906-1cnnvd
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39cnnvd
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-7663cnnvd
- https://packetstormsecurity.com/files/156747/Gentoo-Linux-Security-Advisory-202003-25.htmlcnnvd
- https://security.gentoo.org/glsa/202003-25cnnvd
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