This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-62643 →

DEBIAN-CVE-2026-62643

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to...

Original description

The description as published by the source.

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 roundcube

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.5+dfsg-1+deb12u10"}]}]

Debian:13 roundcube

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.17+dfsg-0+deb13u1"}]}]

Debian:14 roundcube

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.17+dfsg-1"}]}]

References

advisory security-tracker.debian.org