USN-7465-1: Mistral vulnerabilities

28 April 2025

Several security issues were fixed in Mistral.

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Releases

Packages

Details

It was discovered that Mistral incorrectly handled nested anchors in YAML
files. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16848)

Pierre Gaxatte discovered that Mistral incorrectly handled erroneous SSH
private key filename commands. An attacker could possibly use this issue to
expose sensitive information. (CVE-2018-16849)

It was discovered that Mistral incorrectly handled the permissions of
sensitive log files. An attacker could possibly use this issue to expose
sensitive information. This issue only affected Ubuntu 18.04 LTS.
(CVE-2019-3866)

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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 18.04
Ubuntu 16.04

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

References

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