CVE-2016-9448

Name	CVE-2016-9448
Description	The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tiff (PTS)	buster	4.1.0+git191117-2~deb10u4	fixed
	buster (security)	4.1.0+git191117-2~deb10u7	fixed
	bullseye	4.2.0-1+deb11u1	fixed
	bullseye (security)	4.2.0-1+deb11u4	fixed
	bookworm, sid	4.5.0-5	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tiff	source	(unstable)	(not affected)

Notes

- tiff <not-affected> (Vulnerable code introduced by fix for CVE-2016-9297)
http://bugzilla.maptools.org/show_bug.cgi?id=2593
Regression introduced by previous fix done on 2016-11-11 for CVE-2016-9297