CVE-2018-20030

Name	CVE-2018-20030
Description	An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
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)
NVD severity	high (attack range: remote)
Debian Bugs	918730

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libexif (PTS)	jessie, stretch	0.6.21-2	vulnerable
	buster, sid	0.6.21-5.1	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)	0.6.21-5.1	high		918730

Notes

[stretch] - libexif <no-dsa> (Minor issue)
[jessie] - libexif <no-dsa> (Minor issue)
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89