SB20260120114 - Multiple vulnerabilities in Oracle WebLogic Server Proxy Plug-In

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Main Vulnerability Database SB20260120114

SB20260120114 - Multiple vulnerabilities in Oracle WebLogic Server Proxy Plug-In

Published: January 20, 2026 Updated: April 1, 2026

Security Bulletin ID SB20260120114
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Critical 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2022-41342)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


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.

References