CVE-2018-5784

Name	CVE-2018-5784
Description	In LibTIFF 4.0.9, there is an uncontrolled resource consumption in the TIFFSetDirectory function of tif_dir.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted tif file. This occurs because the declared number of directory entries is not validated against the actual number of directory entries.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1391-1, DLA-1411-1, DSA-4349-1
Debian Bugs	890441

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tiff (PTS)	bullseye (security), bullseye	4.2.0-1+deb11u5	fixed
	bookworm, bookworm (security)	4.5.0-6+deb12u1	fixed
	sid, trixie	4.5.1+git230720-5	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
tiff	source	wheezy	4.0.2-6+deb7u21	DLA-1391-1
tiff	source	jessie	4.0.3-12.3+deb8u6	DLA-1411-1
tiff	source	stretch	4.0.8-2+deb9u4	DSA-4349-1
tiff	source	(unstable)	4.0.9-4		890441
tiff3	source	(unstable)	(unfixed)

Notes

[wheezy] - tiff3 <postponed> (Minor issue, revisit once fixed upstream)
http://bugzilla.maptools.org/show_bug.cgi?id=2772
Fixed by: https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6ef