[USN-4964-1] Exiv2 vulnerabilities

========================================================================== Ubuntu Security Notice USN-4964-1 May 25, 2021
exiv2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 21.04 – Ubuntu 20.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS – Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in Exiv2.
Software Description: – exiv2: EXIF/IPTC/XMP metadata manipulation tool
Details:
It was discovered that Exiv2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10 and Ubuntu 21.04. (CVE-2021-29463)
It was discovered that Exiv2 incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10 and Ubuntu 21.04. (CVE-2021-29464)
It was discovered that Exiv2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2021-29473, CVE-2021-32617)
It was discovered that Exiv2 incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10 and Ubuntu 21.04. (CVE-2021-29623)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.04: exiv2 0.27.3-3ubuntu1.3 libexiv2-27 0.27.3-3ubuntu1.3
Ubuntu 20.10: exiv2 0.27.3-3ubuntu0.4 libexiv2-27 0.27.3-3ubuntu0.4
Ubuntu 20.04 LTS: exiv2 0.27.2-8ubuntu2.4 libexiv2-27 0.27.2-8ubuntu2.4
Ubuntu 18.04 LTS: exiv2 0.25-3.1ubuntu0.18.04.9 libexiv2-14 0.25-3.1ubuntu0.18.04.9
Ubuntu 16.04 ESM: exiv2 0.25-2.1ubuntu16.04.7+esm2 libexiv2-14 0.25-2.1ubuntu16.04.7+esm2
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4964-1 CVE-2021-29463, CVE-2021-29464, CVE-2021-29473, CVE-2021-29623, CVE-2021-32617
Package Information: launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu1.3 launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu0.4 launchpad.net/ubuntu/+source/exiv2/0.27.2-8ubuntu2.4 launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.9