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)stretch0.6.21-2vulnerable
stretch (security)0.6.21-2+deb9u1vulnerable
buster, buster (security)0.6.21-5.1+deb10u1vulnerable
bullseye, sid0.6.22-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libexifsource(unstable)0.6.21-9961410
libexifsourcejessie0.6.21-2+deb8u3DLA-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)

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