CVE-2020-13114

Name	CVE-2020-13114
Description	An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amounts of compute time for decoding EXIF data.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-2222-1
NVD severity	medium
Debian Bugs	961410

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libexif (PTS)	stretch	0.6.21-2	vulnerable
	stretch (security)	0.6.21-2+deb9u1	vulnerable
	buster, buster (security)	0.6.21-5.1+deb10u1	vulnerable
	bullseye, sid	0.6.22-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libexif	source	(unstable)	0.6.21-9			961410
libexif	source	jessie	0.6.21-2+deb8u3		DLA-2222-1

Notes

[buster] - libexif <no-dsa> (Minor issue)
[stretch] - libexif <no-dsa> (Minor issue)
https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab (0.6.22)