Description
rcube_utils.php in Roundcube before 1.1.8 and 1.2.x before 1.2.4 is susceptible to a cross-site scripting vulnerability via a crafted Cascading Style Sheets (CSS) token sequence within an SVG element.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | roundcube | 1.2.3+dfsg.1-3 | — |
| Debian 13 | roundcube | 1.2.3+dfsg.1-3 | — |
| Debian 12 | roundcube | 1.2.3+dfsg.1-3 | — |
| Debian 7 | roundcube | 0.7.2-9+deb7u6 | DLA-855-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | roundcube | 1.2~beta+dfsg.1-0ubuntu1+esm7 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | roundcubemail | 1.4.11-1.3 | openSUSE-SU-2024:11303-1 |
Advisories 2
- DLA-855-1 roundcube - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11303-1 roundcubemail-1.4.11-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/roundcube/roundcubemail/wiki/Changelog#release-124
- https://roundcube.net/news/2017/03/10/updates-1.2.4-and-1.1.8-released
- https://github.com/roundcube/roundcubemail/commit/cbd35626f7db7855f3b5e2db00d28ecc1554e9f4
- https://github.com/roundcube/roundcubemail/releases/tag/1.1.8
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.4
- 96817 vdb-entry
- https://github.com/roundcube/roundcubemail/commit/fa2824fdcd44af3f970b2797feb47652482c8305