A roundcube security update has been released for Debian GNU/Linux 11 and 12 to address an issue that allows an attacker to load arbitrary JavaScript code.

[SECURITY] [DSA 5531-1] roundcube security update

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Debian Security Advisory DSA-5531-1 security@debian.org
https://www.debian.org/security/ Sebastien Delafond
October 23, 2023 https://www.debian.org/security/faq
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Package : roundcube
CVE ID : CVE-2023-5631
Debian Bug : 1054079

It was discovered that roundcube, a skinnable AJAX based webmail
solution for IMAP servers, did not properly sanitize HTML
messages. This would allow an attacker to load arbitrary JavaScript
code.

For the oldstable distribution (bullseye), this problem has been fixed
in version 1.4.15+dfsg.1-1~deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 1.6.4+dfsg-1~deb12u1.

We recommend that you upgrade your roundcube packages.

For the detailed security status of roundcube please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/roundcube

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org