Description
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a information disclosure vulnerability in the HTML style sanitizer.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Roundcube | Webmail | < 1.5.12, 1.6.0 – < 1.6.12 | 1.5.12 |
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 | 1.6.12+dfsg-1 | — |
| Debian 13 | roundcube | 1.6.12+dfsg-0+deb13u1 | DSA-6087-1 |
| Debian 12 | roundcube | 1.6.5+dfsg-1+deb12u6 | DSA-6087-1 |
| Debian 11 | roundcube | 1.4.15+dfsg.1-1+deb11u6 | DLA-4415-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | roundcube | No fix yet | — |
| Ubuntu 25.10 | roundcube | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 26.04 LTS | roundcube | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | roundcubemail | 1.6.13-bp160.1.1 | openSUSE-SU-2026:20323-1 |
Advisories 4
- WID-SEC-2025-2854 Roundcube: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 29, 2026
- openSUSE-SU-2026:20323-1 Security update for roundcubemail SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-6087-1 roundcube - security update Debian Security (DSA / DLA) · Dec 19, 2025
- DLA-4415-1 roundcube - security update Debian Security (DSA / DLA) · Dec 18, 2025