Ubuntu USN · USN-8223-1

Roundcube Webmail vulnerabilities

Published: Wed, 29 Apr 2026 13:50

CVE-2024-42010CVE-2024-42008CVE-2019-15237CVE-2026-25916CVE-2024-38357CVE-2024-38356CVE-2026-26079

Summary

Several security issues were fixed in Roundcube Webmail.

Details

It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly use this issue to cause a homograph attack. (CVE-2019-15237) It was discovered that Roundcube Webmail did not properly sanitize certain attributes when handling CSS within HTML messages and certain SVG attributes. An attacker could possibly use this issue to cause a cross-site scripting attack. (CVE-2024-38356, CVE-2024-38357) It was discovered that Roundcube Webmail did not properly sanitize certain HTML attributes when rendering e-mail messages. An attacker could possibly use this issue to cause a cross-site scripting attack. (CVE-2024-42008) It was discovered that Roundcube Webmail did not properly filter certain CSS token sequences within rendered e-mail messages. An attacker could possibly use this issue to obtain sensitive information. (CVE-2024-42010) It was discovered that Roundcube Webmail did not properly treat an SVG tag as an image source within its HTML sanitizer. An attacker could possibly use this issue to bypass remote image blocking to track email open actions or potentially bypass access control. (CVE-2026-25916) It was discovered that Roundcube Webmail did not properly handle comments within Cascading Style Sheets (CSS). An attacker could possibly use this issue to perform a CSS injection attack. (CVE-2026-26079)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

roundcube→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-core→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-core=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-mysql→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-mysql=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-pgsql→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-pgsql=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-plugins→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-plugins=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-sqlite3→1.3.6+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.3.6+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-sqlite3=1.3.6+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu focal

roundcube→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-core→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-core=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-mysql→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-mysql=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-pgsql→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-pgsql=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-plugins→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-plugins=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-sqlite3→1.4.3+dfsg.1-1ubuntu0.1~esm8apt_upgrade_esm
Fixed at 1.4.3+dfsg.1-1ubuntu0.1~esm8 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-sqlite3=1.4.3+dfsg.1-1ubuntu0.1~esm8
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu jammy

roundcube→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-core→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-core=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-mysql→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-mysql=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-pgsql→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-pgsql=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-plugins→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-plugins=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
roundcube-sqlite3→1.5.0+dfsg.1-2ubuntu0.1~esm6apt_upgrade_esm
Fixed at 1.5.0+dfsg.1-2ubuntu0.1~esm6 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-sqlite3=1.5.0+dfsg.1-2ubuntu0.1~esm6
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu noble

roundcube→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-core→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-core
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-mysql→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-mysql
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-pgsql→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-pgsql
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-plugins→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-plugins
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-sqlite3→1.6.6+dfsg-2ubuntu0.1+esm3apt_upgrade
Standard apt upgrade. Install 1.6.6+dfsg-2ubuntu0.1+esm3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-sqlite3
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu xenial

roundcube→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-core→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-core
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-mysql→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-mysql
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-pgsql→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-pgsql
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-plugins→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-plugins
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
roundcube-sqlite3→1.2~beta+dfsg.1-0ubuntu1+esm8apt_upgrade
Standard apt upgrade. Install 1.2~beta+dfsg.1-0ubuntu1+esm8 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y roundcube-sqlite3
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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