CVE-2019-2962: Null Pointer Dereference
A NULL pointer dereference flaw was discovered in the DrawGlyphList class in the 2D component in OpenJDK. A specially crafted font file could use this flaw to cause a Java application to crash.
Other sources
An unspecified vulnerability in Java SE related to the 2D 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, Java SE Embedded product of Oracle Java SE (component: 2D). Supported versions that are affected are Java SE: 7u231, 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), 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 3.0 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
Affected Software
Remediation
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2019-2962?
CVE-2019-2962 is classified as a moderate severity vulnerability.
How do I fix CVE-2019-2962?
To fix CVE-2019-2962, update your Java installation to the specified remedial versions provided for OpenJDK and IBM Java.
What types of systems are affected by CVE-2019-2962?
CVE-2019-2962 affects various versions of OpenJDK and IBM Java running on supported Red Hat Enterprise Linux systems.
Can CVE-2019-2962 cause any impact on applications?
Yes, CVE-2019-2962 can lead to crashing Java applications when they process specially crafted font files.
Which Java versions need to be updated for CVE-2019-2962?
It is essential to update to Java versions 1.8.0-openjdk-1:1.8.0.232.b09 or later, depending on your specific distribution.