CVE-2024-7006

Name	CVE-2024-7006
Description	A null pointer dereference flaw was found in Libtiff via `tif_dirinfo.c`. This issue may allow an attacker to trigger memory allocation failures through certain means, such as restricting the heap space size or injecting faults, causing a segmentation fault. This can cause an application crash, eventually leading to a denial of service.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4026-1
Debian Bugs	1078648

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	vulnerable
	bullseye (security)	4.2.0-1+deb11u6	fixed
	bookworm	4.5.0-6+deb12u2	fixed
	bookworm (security)	4.5.0-6+deb12u1	vulnerable
	trixie	4.7.0-3	fixed
	forky, sid	4.7.0-5	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
tiff	source	bullseye	4.2.0-1+deb11u6	DLA-4026-1
tiff	source	bookworm	4.5.0-6+deb12u2
tiff	source	(unstable)	4.5.1+git230720-5		1078648

Notes

https://gitlab.com/libtiff/libtiff/-/merge_requests/559
https://gitlab.com/libtiff/libtiff/-/issues/624
Fixed by: https://gitlab.com/libtiff/libtiff/-/commit/818fb8ce881cf839fbc710f6690aadb992aa0f9e