CVE-2020-13114

NameCVE-2020-13114
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2222-1
NVD severitymedium
Debian Bugs961410

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libexif (PTS)stretch0.6.21-2+deb9u4fixed
stretch (security)0.6.21-2+deb9u5fixed
buster, buster (security)0.6.21-5.1+deb10u5fixed
bookworm, bullseye0.6.22-3fixed
sid0.6.23-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libexifsourcejessie0.6.21-2+deb8u3DLA-2222-1
libexifsourcestretch0.6.21-2+deb9u3
libexifsourcebuster0.6.21-5.1+deb10u3
libexifsource(unstable)0.6.21-9961410

Notes

https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab (0.6.22)

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