SB20260120114 - Multiple vulnerabilities in Oracle WebLogic Server Proxy Plug-In
Published: January 20, 2026 Updated: February 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2022-41342)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.
2) Heap-based buffer overflow (CVE-ID: CVE-2026-21962)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Oracle WebLogic Server Proxy Plug-in when handling HTTP requests. A remote attacker can send specially crafted HTTP requests to the server, trigger a heap-based buffer overflow 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.