CVE-2017-17725

Name	CVE-2017-17725
Description	In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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	0.27.3-3+deb11u2	fixed
	bullseye (security)	0.27.3-3+deb11u1	fixed
	sid, trixie, bookworm	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=1525055
https://github.com/Exiv2/exiv2/issues/188
https://github.com/Exiv2/exiv2/pull/193