CVE-2019-14973

Name	CVE-2019-14973
Description	_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1897-1, DSA-4608-1, DSA-4670-1
Debian Bugs	934780

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tiff (PTS)	bookworm, bookworm (security)	4.5.0-6+deb12u4	fixed
	trixie (security), trixie	4.7.0-3+deb13u3	fixed
	forky, sid	4.7.2-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tiff	source	jessie	4.0.3-12.3+deb8u9		DLA-1897-1
tiff	source	stretch	4.0.8-2+deb9u5		DSA-4670-1
tiff	source	buster	4.1.0+git191117-2~deb10u1		DSA-4608-1
tiff	source	(unstable)	4.0.10+git190814-1	low		934780
tiff3	source	(unstable)	(unfixed)

https://gitlab.com/libtiff/libtiff/merge_requests/90
https://gitlab.com/libtiff/libtiff/commit/1b5e3b6a23827c33acf19ad50ce5ce78f12b3773