CVE-2021-27815

NameCVE-2021-27815
DescriptionNULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1018814

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exif (PTS)jessie, stretch0.6.21-1vulnerable
buster0.6.21-2vulnerable
bullseye0.6.22-2vulnerable
sid, trixie, bookworm0.6.22-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exifsource(unstable)0.6.22-3unimportant1018814

Notes

https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c
https://github.com/libexif/exif/issues/4
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