SB2025121542 - SUSE update for MozillaThunderbird
Published: December 15, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2025-14321)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the the WebRTC Signaling component. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) Buffer overflow (CVE-ID: CVE-2025-14322)
The vulnerability allows a remote attacker to escape sandbox restrictions.
The vulnerability exists due to a boundary error in the Graphics CanvasWebGL component. A remote attacker can trick the victim into visiting a specially craft6ed website, trigger memory corruption and escape sandbox restrictions.
3) Improper privilege management (CVE-ID: CVE-2025-14323)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper privilege management in the DOM Notifications component. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions.
4) Input validation error (CVE-ID: CVE-2025-14324)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due JIT miscompilation in the JavaScript Engine JIT component. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.
5) Input validation error (CVE-ID: CVE-2025-14325)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due JIT miscompilation in the JavaScript Engine JIT component. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.
6) Improper privilege management (CVE-ID: CVE-2025-14328)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper privilege management in the Netmonitor component. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions.
7) Improper privilege management (CVE-ID: CVE-2025-14329)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper privilege management in the Netmonitor component. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions.
8) Input validation error (CVE-ID: CVE-2025-14330)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due JIT miscompilation in the JavaScript Engine JIT component. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions.
9) Protection mechanism failure (CVE-ID: CVE-2025-14331)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures in the Request Handling component. A remote attacker can trick the victim into visiting a specially crafted website and bypass Same-Origin policy.
10) Buffer overflow (CVE-ID: CVE-2025-14333)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.