SB2026043079 - Ubuntu update for roundcube
Published: April 30, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2019-15237)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input when handling Punycode xn-- domain names. A remote attacker can perform a spoofing attack and disguise the email sender.
2) Stored cross-site scripting (CVE-ID: CVE-2024-38356)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when using the noneditable_regexp option. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
3) Cross-site scripting (CVE-ID: CVE-2024-38357)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
4) Cross-site scripting (CVE-ID: CVE-2024-42008)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within serving of attachments other than HTML or SVG. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
5) Information disclosure (CVE-ID: CVE-2024-42010)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application within insufficient CSS filtering. A remote attacker can gain unauthorized access to sensitive information on the system.
6) Protection mechanism failure (CVE-ID: CVE-2026-25916)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures. A remote attacker can send a specially crafted email and bypass image blocking via SVG content.
7) Cross-site scripting (CVE-ID: CVE-2026-26079)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when handling CSS files. A remote attacker can send a specially crafted email messages and perform CSS injection attacks.
Remediation
Install update from vendor's website.