Advisory Published

USN-6611-1: Exim vulnerability

First published: Mon Jan 29 2024(Updated: )

It was discovered that Exim incorrectly handled certain requests. A remote attacker could possibly use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/exim4<4.96-17ubuntu2.2
4.96-17ubuntu2.2
Ubuntu Ubuntu=23.10
All of
ubuntu/exim4-base<4.96-17ubuntu2.2
4.96-17ubuntu2.2
Ubuntu Ubuntu=23.10
All of
ubuntu/eximon4<4.96-17ubuntu2.2
4.96-17ubuntu2.2
Ubuntu Ubuntu=23.10
All of
ubuntu/exim4<4.95-4ubuntu2.5
4.95-4ubuntu2.5
Ubuntu Ubuntu=22.04
All of
ubuntu/exim4-base<4.95-4ubuntu2.5
4.95-4ubuntu2.5
Ubuntu Ubuntu=22.04
All of
ubuntu/eximon4<4.95-4ubuntu2.5
4.95-4ubuntu2.5
Ubuntu Ubuntu=22.04
All of
ubuntu/exim4<4.93-13ubuntu1.10
4.93-13ubuntu1.10
Ubuntu Ubuntu=20.04
All of
ubuntu/exim4-base<4.93-13ubuntu1.10
4.93-13ubuntu1.10
Ubuntu Ubuntu=20.04
All of
ubuntu/eximon4<4.93-13ubuntu1.10
4.93-13ubuntu1.10
Ubuntu Ubuntu=20.04
All of
ubuntu/exim4<4.90.1-1ubuntu1.10+esm3
4.90.1-1ubuntu1.10+esm3
Ubuntu Ubuntu=18.04
All of
ubuntu/exim4-base<4.90.1-1ubuntu1.10+esm3
4.90.1-1ubuntu1.10+esm3
Ubuntu Ubuntu=18.04
All of
ubuntu/eximon4<4.90.1-1ubuntu1.10+esm3
4.90.1-1ubuntu1.10+esm3
Ubuntu Ubuntu=18.04
All of
ubuntu/exim4<4.86.2-2ubuntu2.6+esm6
4.86.2-2ubuntu2.6+esm6
Ubuntu Ubuntu=16.04
All of
ubuntu/exim4-base<4.86.2-2ubuntu2.6+esm6
4.86.2-2ubuntu2.6+esm6
Ubuntu Ubuntu=16.04
All of
ubuntu/eximon4<4.86.2-2ubuntu2.6+esm6
4.86.2-2ubuntu2.6+esm6
Ubuntu Ubuntu=16.04

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Child vulnerabilities

(Contains the following vulnerabilities)

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