=========================================================================Ubuntu Security Notice USN-5438-1
May 23, 2022

htmldoc vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

HTMLDOC could be made to crash or run programs if it received specially
crafted HTML files.

Software Description:
- htmldoc: HTML processor that generates indexed HTML, PS, and PDF

Details:

It was discovered that HTMLDOC did not properly manage memory under certain
circumstances. If a user were tricked into opening a specially crafted HTML
file, a remote attacker could possibly use this issue to cause HTMLDOC to
crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
htmldoc 1.9.7-1ubuntu0.3
htmldoc-common 1.9.7-1ubuntu0.3

Ubuntu 18.04 LTS:
htmldoc 1.9.2-1ubuntu0.2
htmldoc-common 1.9.2-1ubuntu0.2

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

References:
https://ubuntu.com/security/notices/USN-5438-1
CVE-2021-23165

Package Information:
https://launchpad.net/ubuntu/+source/htmldoc/1.9.7-1ubuntu0.3
https://launchpad.net/ubuntu/+source/htmldoc/1.9.2-1ubuntu0.2

Ubuntu 5438-1: HTMLDOC vulnerability

May 23, 2022
HTMLDOC could be made to crash or run programs if it received specially crafted HTML files.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: htmldoc 1.9.7-1ubuntu0.3 htmldoc-common 1.9.7-1ubuntu0.3 Ubuntu 18.04 LTS: htmldoc 1.9.2-1ubuntu0.2 htmldoc-common 1.9.2-1ubuntu0.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5438-1

CVE-2021-23165

Severity
May 23, 2022

Package Information

https://launchpad.net/ubuntu/+source/htmldoc/1.9.7-1ubuntu0.3 https://launchpad.net/ubuntu/+source/htmldoc/1.9.2-1ubuntu0.2

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