CVE-2026-46917: Medium severity Oracle Java SE vulnerability
Last updated 31 August 2026
Other sources
The DTLS implementation is open to two different DoS attacks.
— Red Hat
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. 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).
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/openjdk-11to a version that resolves this vulnerability.Fixed in 11.0.32.1+1-1~deb11u1Fixed in 11.0.32.1+1-1 - Upgrade
Upgrade
debian/openjdk-17to a version that resolves this vulnerability.Fixed in 17.0.20.1+1-1~deb11u1Fixed in 17.0.20.1+1-1~deb12u1Fixed in 17.0.20.1+1-1 - Upgrade
Upgrade
debian/openjdk-21to a version that resolves this vulnerability.Fixed in 21.0.12.1+1-1~deb13u1Fixed in 21.0.12.1+1-1 - Upgrade
Upgrade
debian/openjdk-25to a version that resolves this vulnerability.Fixed in 25.0.4.1+1-1~deb13u1Fixed in 25.0.4+7-1Fixed in 25.0.4.1+1-1 - Upgrade
Upgrade
debian/openjdk-26to a version that resolves this vulnerability.Fixed in 26.0.2.1+1-1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-46917?
The severity of CVE-2026-46917 is rated as medium with a score of 5.3.
How do I fix CVE-2026-46917?
To fix CVE-2026-46917, update to the latest supported version of Oracle Java SE or Oracle GraalVM.
What types of attacks are associated with CVE-2026-46917?
CVE-2026-46917 is associated with two different Denial of Service (DoS) attacks.
Which versions of Oracle Java are affected by CVE-2026-46917?
Affected versions of Oracle Java include 11.0.31, 17.0.19, 21.0.11, 25.0.3, and 26.0.1.
What components of Oracle software are impacted by CVE-2026-46917?
CVE-2026-46917 impacts the JSSE component of Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition.