[USN-4996-2] OpenEXR vulnerabilities

========================================================================== Ubuntu Security Notice USN-4996-2 June 22, 2021
openexr vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in OpenEXR.
Software Description: – openexr: tools for the OpenEXR image format
Details:
USN-4996-1 fixed several vulnerabilities in OpenEXR. This update provides the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: libopenexr22 2.2.0-10ubuntu2.6+esm1 openexr 2.2.0-10ubuntu2.6+esm1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4996-2 ubuntu.com/security/notices/USN-4996-1 CVE-2021-20296, CVE-2021-23215, CVE-2021-26260, CVE-2021-3598, CVE-2021-3605