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CVE-2021-37616

Published: 9 August 2021

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference is triggered when Exiv2 is used to print 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. Note that this bug is only triggered when printing the interpreted (translated) data, which is a less frequently used Exiv2 operation that requires an extra command line option (`-p t` or `-P t`). The bug is fixed in version v0.27.5.

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
exiv2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (0.27.2-8ubuntu2.6)
hirsute
Released (0.27.3-3ubuntu1.5)
impish
Released (0.27.3-3ubuntu4)
jammy
Released (0.27.3-3ubuntu4)
trusty Does not exist

upstream Needs triage

xenial
Released (0.25-2.1ubuntu16.04.7+esm4)