[USN-4941-1] Exiv2 vulnerabilities

========================================================================== Ubuntu Security Notice USN-4941-1 May 10, 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 images. An attacker could possibly use this issue to execute arbitrary code or cause a crash. (CVE-2021-29457)
It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2021-29458, CVE-2021-29470)
It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code or cause a crash. (CVE-2021-3482)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.04: libexiv2-27 0.27.3-3ubuntu1.1
Ubuntu 20.10: libexiv2-27 0.27.3-3ubuntu0.2
Ubuntu 20.04 LTS: libexiv2-27 0.27.2-8ubuntu2.2
Ubuntu 18.04 LTS: libexiv2-14 0.25-3.1ubuntu0.18.04.7
Ubuntu 16.04 ESM: libexiv2-14 0.25-2.1ubuntu16.04.7+esm1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4941-1 CVE-2021-29457, CVE-2021-29458, CVE-2021-29470, CVE-2021-3482
Package Information: launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu1.1 launchpad.net/ubuntu/+source/exiv2/0.27.3-3ubuntu0.2 launchpad.net/ubuntu/+source/exiv2/0.27.2-8ubuntu2.2 launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.7