CVE-2021-34334

NameCVE-2021-34334
DescriptionExiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.5.
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)
Debian Bugs992706

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exiv2 (PTS)buster, buster (security)0.25-4+deb10u2vulnerable
bullseye (security), bullseye0.27.3-3+deb11u1vulnerable
bookworm, sid0.27.5-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exiv2source(unstable)0.27.5-1992706

Notes

[bullseye] - exiv2 <ignored> (Minor issue)
[buster] - exiv2 <ignored> (Minor issue)
[stretch] - exiv2 <no-dsa> (Minor issue)
https://github.com/Exiv2/exiv2/security/advisories/GHSA-hqjh-hpv8-8r9p
https://github.com/Exiv2/exiv2/pull/1766

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