USN-4934-1 fixed several vulnerabilities in Exim. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. CVE-2020-28026 only affected Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Exim contained multiple security issues. An attacker could use these issues to cause a denial of service, execute arbitrary code remotely, obtain sensitive information, or escalate local privileges.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "exim4": "4.82-3ubuntu2.4+esm3", "exim4-dev": "4.82-3ubuntu2.4+esm3", "eximon4": "4.82-3ubuntu2.4+esm3", "eximon4-dbgsym": "4.82-3ubuntu2.4+esm3", "exim4-base-dbgsym": "4.82-3ubuntu2.4+esm3", "exim4-daemon-heavy-dbg": "4.82-3ubuntu2.4+esm3", "exim4-daemon-light": "4.82-3ubuntu2.4+esm3", "exim4-config": "4.82-3ubuntu2.4+esm3", "exim4-daemon-heavy-dbgsym": "4.82-3ubuntu2.4+esm3", "exim4-base": "4.82-3ubuntu2.4+esm3", "exim4-dbg": "4.82-3ubuntu2.4+esm3", "exim4-daemon-light-dbgsym": "4.82-3ubuntu2.4+esm3", "exim4-daemon-light-dbg": "4.82-3ubuntu2.4+esm3", "exim4-daemon-heavy": "4.82-3ubuntu2.4+esm3" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "exim4": "4.86.2-2ubuntu2.6+esm1", "exim4-dev": "4.86.2-2ubuntu2.6+esm1", "eximon4": "4.86.2-2ubuntu2.6+esm1", "eximon4-dbgsym": "4.86.2-2ubuntu2.6+esm1", "exim4-base-dbgsym": "4.86.2-2ubuntu2.6+esm1", "exim4-daemon-heavy-dbg": "4.86.2-2ubuntu2.6+esm1", "exim4-daemon-light": "4.86.2-2ubuntu2.6+esm1", "exim4-config": "4.86.2-2ubuntu2.6+esm1", "exim4-daemon-heavy-dbgsym": "4.86.2-2ubuntu2.6+esm1", "exim4-base": "4.86.2-2ubuntu2.6+esm1", "exim4-dbg": "4.86.2-2ubuntu2.6+esm1", "exim4-daemon-light-dbgsym": "4.86.2-2ubuntu2.6+esm1", "exim4-daemon-light-dbg": "4.86.2-2ubuntu2.6+esm1", "exim4-daemon-heavy": "4.86.2-2ubuntu2.6+esm1" } ] }