USN-8097-2: roundcube regression
Publication date
18 March 2026
Overview
USN-8097-1 introduced a regression in roundcube
Releases
Packages
- roundcube - skinnable AJAX based webmail solution for IMAP servers - metapack
Details
USN-8097-1 fixed a vulnerability in roundcube. The update caused
a regression affecting the HTML sanitizer, preventing Roundcube from rendering
any email message body. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Roundcube Webmail did not properly sanitize the
animate tag within SVG documents. An attacker could possibly use
this issue to cause a cross-site scripting attack.
USN-8097-1 fixed a vulnerability in roundcube. The update caused
a regression affecting the HTML sanitizer, preventing Roundcube from rendering
any email message body. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Roundcube Webmail did not properly sanitize the
animate tag within SVG documents. An attacker could possibly use
this issue to cause a cross-site scripting attack.
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 LTS focal | roundcube-core – 1.4.3+dfsg.1-1ubuntu0.1~esm7 | ||
| roundcube-plugins – 1.4.3+dfsg.1-1ubuntu0.1~esm7 | |||
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