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Ubuntu 20.04 LTS: USN-5438-1 Moderate: htmldoc Memory Issue

ubuntu
Calendar Grey May 23, 2022
Dist Ubuntu Esm H88
HTMLDOC on Ubuntu has been found susceptible to crashes and potential remote code execution due to specially crafted HTML documents. Ensure you apply the latest security patches immediately!
HTMLDOC could be made to crash or run programs if it received specially crafted HTML files.

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.

Topics%20covered

Topics Covered

security advisory denial of service memory management ubuntu htmldoc

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
important
Lowest
Low
Medium
High
Critical

May 23, 2022

Topics%20covered

Topics Covered

security advisory denial of service memory management ubuntu htmldoc

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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