Date: Tue, 18 Jan 2022 14:42:56 +0000 From: Ralph Goers <rgoers@...che.org> To: oss-security@...ts.openwall.com Subject: CVE-2022-23307: Apache Log4j 1.x: A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution. Severity: Critical Description: CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists. Mitigation: Upgrade to Apache Log4j 2 and Apache Chainsaw 2.1.0. Credit: @kingkk
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