CVE-2017-17723

Name	CVE-2017-17723
Description	In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.
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
exiv2 (PTS)	buster	0.25-4+deb10u2	fixed
	buster (security)	0.25-4+deb10u4	fixed
	bullseye (security), bullseye	0.27.3-3+deb11u1	fixed
	bookworm, sid	0.27.6-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
exiv2	source	(unstable)	(not affected)

Notes

- exiv2 <not-affected> (Introduced in 0.26; only affected experimental)
https://bugzilla.redhat.com/show_bug.cgi?id=1524104
https://github.com/Exiv2/exiv2/issues/229
https://github.com/Exiv2/exiv2/commit/36df4bc997d74ecc447e4541e2fc3fda10586103