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

exiv2 regression
=========================================================================
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