Packages
- apache-log4j2 - Apache Log4j - Logging Framework for Java
Details
Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run
programs via a special crafted input. An attacker could use this vulnerability
to cause a denial of service or possibly execute arbitrary code.
Please see the following link for more information:
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Log4Shell
Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run
programs via a special crafted input. An attacker could use this vulnerability
to cause a denial of service or possibly execute arbitrary code.
Please see the following link for more information:
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Log4Shell
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 21.10 impish | liblog4j2-java – 2.15.0-0.21.10.1 | ||
| 21.04 hirsute | liblog4j2-java – 2.15.0-0.21.04.1 | ||
| 20.04 focal | liblog4j2-java – 2.15.0-0.20.04.1 | ||
| 18.04 bionic | liblog4j2-java – 2.10.0-2ubuntu0.1 | ||
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