SB2026070720 - Fedora 44 update for roundcubemail
Published: July 7, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2026-54432)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
The vulnerability allows a remote user to execute arbitrary script code in a user's browser.
The vulnerability exists due to cross-site scripting in the attachment-validation warning page when rendering an unescaped attachment mime type. A remote user can store a crafted attachment mime type to execute arbitrary script code in a user's browser.
2) Cross-site scripting (CVE-ID: CVE-2026-54433)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to execute arbitrary script code in a user's browser.
The vulnerability exists due to cross-site scripting in the plain-text rendering component when rendering plain-text content. A remote attacker can send a specially crafted email to execute arbitrary script code in a user's browser.
No user interaction is required beyond viewing the affected content.
Remediation
Install update from vendor's website.