Home / mailings [USN-8795-1] OpenJDK 17 vulnerabilities
Posted on 22 September 2026
Ubuntu Security==========================================================================Ubuntu Security Notice USN-8795-1
September 21, 2026
openjdk-17 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in OpenJDK 17.
Software Description:
- openjdk-17: Open Source Java implementation
Details:
Kai Aizen discovered that the Networking component of OpenJDK 17 did not
correctly handle user authentication. A remote attacker could possibly use
this issue to leak sensitive information. (CVE-2026-61308)
It was discovered that the JSSE component of OpenJDK 17 did not correctly
handle user authentication. A remote attacker could possibly use this issue
to cause a denial of service. (CVE-2026-70907)
It was discovered that the Security component of OpenJDK 17 did not
correctly handle user authentication. A remote attacker could possibly use
this issue to leak sensitive information. (CVE-2026-60589)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 26.04 LTS
openjdk-17-jdk 17.0.20.1+1-1~26.04
openjdk-17-jdk-headless 17.0.20.1+1-1~26.04
openjdk-17-jre 17.0.20.1+1-1~26.04
openjdk-17-jre-headless 17.0.20.1+1-1~26.04
openjdk-17-jre-zero 17.0.20.1+1-1~26.04
openjdk-17-source 17.0.20.1+1-1~26.04
Ubuntu 24.04 LTS
openjdk-17-jdk 17.0.20.1+1-1~24.04
openjdk-17-jdk-headless 17.0.20.1+1-1~24.04
openjdk-17-jre 17.0.20.1+1-1~24.04
openjdk-17-jre-headless 17.0.20.1+1-1~24.04
openjdk-17-jre-zero 17.0.20.1+1-1~24.04
openjdk-17-source 17.0.20.1+1-1~24.04
Ubuntu 22.04 LTS
openjdk-17-jdk 17.0.20.1+1-1~22.04
openjdk-17-jdk-headless 17.0.20.1+1-1~22.04
openjdk-17-jre 17.0.20.1+1-1~22.04
openjdk-17-jre-headless 17.0.20.1+1-1~22.04
openjdk-17-jre-zero 17.0.20.1+1-1~22.04
openjdk-17-source 17.0.20.1+1-1~22.04
Ubuntu 20.04 LTS
openjdk-17-jdk 17.0.20.1+1-1~20.04
Available with Ubuntu Pro
openjdk-17-jdk-headless 17.0.20.1+1-1~20.04
Available with Ubuntu Pro
openjdk-17-jre 17.0.20.1+1-1~20.04
Available with Ubuntu Pro
openjdk-17-jre-headless 17.0.20.1+1-1~20.04
Available with Ubuntu Pro
openjdk-17-jre-zero 17.0.20.1+1-1~20.04
Available with Ubuntu Pro
openjdk-17-source 17.0.20.1+1-1~20.04
Available with Ubuntu Pro
Ubuntu 18.04 LTS
openjdk-17-jdk 17.0.20.1+1-1~18.04
Available with Ubuntu Pro
openjdk-17-jdk-headless 17.0.20.1+1-1~18.04
Available with Ubuntu Pro
openjdk-17-jre 17.0.20.1+1-1~18.04
Available with Ubuntu Pro
openjdk-17-jre-headless 17.0.20.1+1-1~18.04
Available with Ubuntu Pro
openjdk-17-jre-zero 17.0.20.1+1-1~18.04
Available with Ubuntu Pro
openjdk-17-source 17.0.20.1+1-1~18.04
Available with Ubuntu Pro
After a standard system update you need to restart any running Java
applications to make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-8795-1
CVE-2026-60589, CVE-2026-61308, CVE-2026-70907
Package Information:
https://launchpad.net/ubuntu/+source/openjdk-17/17.0.20.1+1-1~26.04
https://launchpad.net/ubuntu/+source/openjdk-17/17.0.20.1+1-1~24.04
https://launchpad.net/ubuntu/+source/openjdk-17/17.0.20.1+1-1~22.04
--===============7845081636451448805==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
