CVE-2021-37620: Out-of-bounds read in XmpTextValue::read()

First published: Mon Aug 09 2021(Updated: )

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read 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.

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
Exiv2 Exiv2	<0.27.5
Fedoraproject Fedora	=33
Fedoraproject Fedora	=34
Debian Debian Linux	=10.0

Remedy

https://github.com/Exiv2/exiv2/pull/1769

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