USN-7360-1: Alpine vulnerabilities

Publication date

20 March 2025

Overview

Several security issues were fixed in Alpine.


Packages

  • alpine - Text-based email client, friendly for novices but powerful

Details

It was discovered that Alpine did not use a secure connection under
certain circumstances. A remote attacker could possibly use this issue to
leak sensitive information. (CVE-2020-14929)

It was discovered that Alpine could allow untagged responses from an
IMAP server before upgrading to a TLS connection. A remote attacker could
possibly use this issue to leak sensitive information. (CVE-2021-38370)

It was discovered that Alpine could crash when receiving certain SMTP
commands. A remote attacker could possibly use this issue to cause a denial
of service. (CVE-2021-46853)

It was discovered that Alpine did not use a secure connection under
certain circumstances. A remote attacker could possibly use this issue to
leak sensitive information. (CVE-2020-14929)

It was discovered that Alpine could allow untagged responses from an
IMAP server before upgrading to a TLS connection. A remote attacker could
possibly use this issue to leak sensitive information. (CVE-2021-38370)

It was discovered that Alpine could crash when receiving certain SMTP
commands. A remote attacker could possibly use this issue to cause a denial
of service. (CVE-2021-46853)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal alpine –  2.22+dfsg1-1ubuntu0.1~esm1  
alpine-pico –  2.22+dfsg1-1ubuntu0.1~esm1  
pilot –  2.22+dfsg1-1ubuntu0.1~esm1  
18.04 bionic alpine –  2.21+dfsg1-1ubuntu0.1~esm1  
alpine-pico –  2.21+dfsg1-1ubuntu0.1~esm1  
pilot –  2.21+dfsg1-1ubuntu0.1~esm1  
16.04 xenial alpine –  2.20+dfsg1-2ubuntu0.1~esm1  
alpine-pico –  2.20+dfsg1-2ubuntu0.1~esm1  
pilot –  2.20+dfsg1-2ubuntu0.1~esm1  

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