An Exiv2 regression update has been released for Ubuntu Linux 20.04 LTS, 21.04, and 21.10.

USN-5043-2: Exiv2 regression

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Ubuntu Security Notice USN-5043-2
January 11, 2022

exiv2 regression
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS

Summary:

Introduced regression Exiv2.

Software Description:
- exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

USN-5043-1 fixed vulnerabilities in Exiv2. The update introduced a new regression
that could cause a crash in applications using libexiv2. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Exiv2 incorrectly handled certain image files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2021-37620)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
exiv2 0.27.3-3ubuntu4.1
libexiv2-27 0.27.3-3ubuntu4.1

Ubuntu 21.04:
exiv2 0.27.3-3ubuntu1.6
libexiv2-27 0.27.3-3ubuntu1.6

Ubuntu 20.04 LTS:
exiv2 0.27.2-8ubuntu2.7
libexiv2-27 0.27.2-8ubuntu2.7

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5043-2
  https://ubuntu.com/security/notices/USN-5043-1
CVE-2021-37620,   https://launchpad.net/bugs/1941752

Package Information:
  https://launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu4.1
  https://launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu1.6
  https://launchpad.net/ubuntu/+source/exiv2/0.27.2-8ubuntu2.7