CVE-2020-35524

Name	CVE-2020-35524
Description	A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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-2694-1, DSA-4869-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tiff (PTS)	bullseye	4.2.0-1+deb11u5	fixed
	bullseye (security)	4.2.0-1+deb11u6	fixed
	bookworm	4.5.0-6+deb12u2	fixed
	bookworm (security)	4.5.0-6+deb12u1	fixed
	sid, trixie	4.7.0-3	fixed

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

Package	Type	Release	Fixed Version	Origin
tiff	source	stretch	4.0.8-2+deb9u6	DLA-2694-1
tiff	source	buster	4.1.0+git191117-2~deb10u2	DSA-4869-1
tiff	source	(unstable)	4.1.0+git201212-1

https://gitlab.com/libtiff/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
https://gitlab.com/libtiff/libtiff/-/merge_requests/159