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CVE-2017-13726 - log back

CVE-2017-13726 created at 25 Sep 2019 19:31:40
Severity	+ Medium
Remote	+ Remote
Type	+ Denial of service
Description	+ There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF before 4.0.9, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.
References	+ http://bugzilla.maptools.org/show_bug.cgi?id=2727 + https://gitlab.com/libtiff/libtiff/commit/4958e19faedbda5da699a61009e6c774884d6f8a
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