CVE-2019-7663

libtiff5: An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in L...

CVE-2019-7663 is fixed in 4 products on 1 platform, first by libtiff-opengl 4.0.9-5ubuntu0.2, released February 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0336
88th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
libtiff-opengl · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.2 libtiff-opengl 4.0.9-5ubuntu0.2 Feb 8, 2019
libtiff-tools · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.2 libtiff-tools 4.0.9-5ubuntu0.2 Feb 8, 2019
libtiff5 · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.2 libtiff5 4.0.9-5ubuntu0.2 Feb 8, 2019
libtiffxx5 · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.2 libtiffxx5 4.0.9-5ubuntu0.2 Feb 8, 2019

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