CVE-2021-35559: Medium severity ibm security qradar vulnerability
A flaw was found in the way the RTFReader class implementation in the Swing component of OpenJDK handled style keyword parameters. A specially crafted Rich Text Format (RTF) file could cause a Java application using RTFReader to allocate an excessive ammount 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 can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. 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 CVE-2021-35559?
CVE-2021-35559 is an unspecified vulnerability in Java SE related to the Swing component.
What is the severity of CVE-2021-35559?
CVE-2021-35559 has a severity level of 5.3 (Medium).
Which software versions are affected by CVE-2021-35559?
Java SE versions 7u311, 8u301, 11.0.12, and 17; Oracle GraalVM Enterprise Edition versions 20.3.3 and 21.2.0 are affected.
How do I fix CVE-2021-35559?
To fix CVE-2021-35559, update to the following versions: Java SE 7u311, 8u301, 11.0.12, or 17; Oracle GraalVM Enterprise Edition 20.3.3 or 21.2.0.
Is there any additional information about CVE-2021-35559?
Additional information about CVE-2021-35559 can be found in the references provided: Oracle Security Alerts (CPUOct2021) and Red Hat Security Advisories (RHSA-2021:3886, RHSA-2021:3884).