[USN-8097-1] Roundcube Webmail vulnerabilities

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Ubuntu Security Notice USN-8097-1
March 16, 2026

roundcube vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Roundcube Webmail could be made to run arbitrary code via cross-site scripting.

Software Description:
- roundcube: skinnable AJAX based webmail solution for IMAP servers - metapack 

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:

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

Ubuntu 24.04 LTS
  roundcube-core                  1.6.6+dfsg-2ubuntu0.1+esm2
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  roundcube-core                  1.5.0+dfsg.1-2ubuntu0.1~esm5
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  roundcube-core                  1.4.3+dfsg.1-1ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  roundcube-plugins               1.4.3+dfsg.1-1ubuntu0.1~esm6
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  roundcube-core                  1.3.6+dfsg.1-1ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  roundcube-plugins               1.3.6+dfsg.1-1ubuntu0.1~esm6
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-8097-1
  CVE-2025-68461
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