CVE-2021-35556: Medium severity IBM QRadar SIEM vulnerability
A flaw was found in the way the RTFParser class implementation in the Swing component of OpenJDK handled memory allocations. A specially crafted Rich Text Format (RTF) file could cause a Java application using RTFParser to allocate an excessive amount of memory and possibly terminate on out-of-memory condition.
Other sources
An unspecified vulnerability in Java SE related to the Swing component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
— IBM
Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Swing). Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Affected Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the vulnerability ID for this Java SE vulnerability?
The vulnerability ID for this Java SE vulnerability is CVE-2021-35556.
What is the severity rating of CVE-2021-35556?
The severity rating of CVE-2021-35556 is 5.3 (Medium).
Which component of Java SE is affected by CVE-2021-35556?
CVE-2021-35556 affects the Swing component of Java SE.
How can the CVE-2021-35556 vulnerability be exploited?
The CVE-2021-35556 vulnerability can be easily exploited by unauthenticated attackers.
What are the affected versions of Java SE and Oracle GraalVM Enterprise Edition?
The affected versions of Java SE are 7u311, 8u301, 11.0.12, and 17. The affected versions of Oracle GraalVM Enterprise Edition are 20.3.3 and 21.2.0.