USN-7360-1: Alpine vulnerabilities

20 March 2025

Several security issues were fixed in Alpine.

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Releases

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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading