RHSA-2022:0442 — Security Advisory
Red Hat Security Advisory: log4j security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · February 7, 2022
Updated · November 2, 2026
Topic
An update for log4j is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Log4j is a tool to help the programmer output log statements to a variety of output targets.
Security Fix(es):
-
log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender (CVE-2022-23305)
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log4j: Unsafe deserialization flaw in Chainsaw log viewer (CVE-2022-23307)
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log4j: Remote code execution in Log4j 1.x when application is configured to use JMSSink (CVE-2022-23302)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.