Headline
Ubuntu Security Notice USN-6811-1
Ubuntu Security Notice 6811-1 - It was discovered that the Hotspot component of OpenJDK 11 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK 11 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information.
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Ubuntu Security Notice USN-6811-1
June 06, 2024
openjdk-lts vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in OpenJDK 11.
Software Description:
- openjdk-lts: Open Source Java implementation
Details:
It was discovered that the Hotspot component of OpenJDK 11 incorrectly
handled certain exceptions with specially crafted long messages. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2024-21011)
It was discovered that OpenJDK 11 incorrectly performed reverse DNS
query under certain circumstances in the Networking/HTTP client
component. An attacker could possibly use this issue to obtain sensitive
information. (CVE-2024-21012)
Vladimir Kondratyev discovered that the Hotspot component of OpenJDK 11
incorrectly handled address offset calculations in the C1 compiler. An
attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. (CVE-2024-21068)
Yakov Shafranovich discovered that OpenJDK 11 did not properly manage
memory in the Pack200 archive format. An attacker could possibly use this
issue to cause a denial of service. (CVE-2024-21085)
It was discovered that the Hotspot component of OpenJDK 11 incorrectly
handled array accesses in the C2 compiler. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2024-21094)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.10
openjdk-11-jdk 11.0.23+9-1ubuntu1~23.10.1
openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~23.10.1
openjdk-11-jre 11.0.23+9-1ubuntu1~23.10.1
openjdk-11-jre-headless 11.0.23+9-1ubuntu1~23.10.1
openjdk-11-jre-zero 11.0.23+9-1ubuntu1~23.10.1
Ubuntu 22.04 LTS
openjdk-11-jdk 11.0.23+9-1ubuntu1~22.04.1
openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~22.04.1
openjdk-11-jre 11.0.23+9-1ubuntu1~22.04.1
openjdk-11-jre-headless 11.0.23+9-1ubuntu1~22.04.1
openjdk-11-jre-zero 11.0.23+9-1ubuntu1~22.04.1
Ubuntu 20.04 LTS
openjdk-11-jdk 11.0.23+9-1ubuntu1~20.04.2
openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~20.04.2
openjdk-11-jre 11.0.23+9-1ubuntu1~20.04.2
openjdk-11-jre-headless 11.0.23+9-1ubuntu1~20.04.2
openjdk-11-jre-zero 11.0.23+9-1ubuntu1~20.04.2
Ubuntu 18.04 LTS
openjdk-11-jdk 11.0.23+9-1ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-11-jre 11.0.23+9-1ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-11-jre-headless 11.0.23+9-1ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-11-jre-zero 11.0.23+9-1ubuntu1~18.04.1
Available with Ubuntu Pro
This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications to make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6811-1
CVE-2024-21011, CVE-2024-21012, CVE-2024-21068, CVE-2024-21085,
CVE-2024-21094
Package Information:
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~23.10.1
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~22.04.1
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~20.04.2
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Ubuntu Security Notice 6813-1 - It was discovered that the Hotspot component of OpenJDK 21 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK 21 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information.
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