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Debian Security Advisory DSA-6391-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
July 19, 2026 https://www.debian.org/security/faq
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Package : roundcube
CVE ID : CVE-2026-54432 CVE-2026-54433 CVE-2026-62641 CVE-2026-62642
CVE-2026-62643 CVE-2026-62644
Debian Bug : 1141495

Multiple vulnerabilities were discovered in roundcube, a skinnable AJAX
based webmail solution for IMAP servers, which could result in account
takeover, cross-site scripting, SSRF bypass, information disclosure or
denial of service.

For the stable distribution (trixie), these problems have been fixed in
version 1.6.17+dfsg-0+deb13u1.

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
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