UBUNTU-CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161

CVE-2025-68161 affects Apache Log4j Core Socket Appender (versions 2.0-beta9–2.25.2). Root cause: TLS hostname verification is not performed for peer certificates when configured via verifyHostName or the log4j2.sslVerifyHostName setting. Impact: potential MITM interception/redirection of log tra...

CVE-2025-68161 Apache Log4j Core: Missing TLS hostname verification in Socket appender

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161 Apache Log4j Core: Missing TLS hostname verification in Socket appender

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161: Improper Validation of Certificate with Host Mismatch

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

PT-2025-52349

Name of the Vulnerable Software and Affected Versions Apache Log4j Core versions 2.0-beta9 through 2.25.2 Description The Socket Appender in Apache Log4j Core does not verify the hostname of the peer certificate during TLS connections, even when configured to do so. This could allow a...

log4j1-socketappender: DoS via hashmap logging

A flaw was found in Chainsaw and SocketAppender components with Log4j 1.x on JRE, less than 1.7. This issue may allow an attacker to use a logging entry with a specially-crafted hashmap or hashtable, depending on which logging component is in use, to process and exhaust the available memory in th...

The vulnerability of the Chainsaw and SocketAppender components of the Log4j Java logging library allows a malicious actor to trigger a service failure.

The vulnerability of the Chainsaw and SocketAppender components of the Log4j Java logging library is related to deficiencies in the deserialization mechanism. Exploiting this vulnerability could allow an attacker to cause a service failure...

log4j1-socketappender: DoS via hashmap logging

A flaw was found in Chainsaw and SocketAppender components with Log4j 1.x on JRE, less than 1.7. This issue may allow an attacker to use a logging entry with a specially-crafted hashmap or hashtable, depending on which logging component is in use, to process and exhaust the available memory in th...

log4j1-socketappender: DoS via hashmap logging

A flaw was found in Chainsaw and SocketAppender components with Log4j 1.x on JRE, less than 1.7. This issue may allow an attacker to use a logging entry with a specially-crafted hashmap or hashtable, depending on which logging component is in use, to process and exhaust the available memory in th...

SUSE CVE-2023-26464

UNSUPPORTED WHEN ASSIGNED When using the Chainsaw or SocketAppender components with Log4j 1.x on JRE less than 1.7, an attacker that manages to cause a logging entry involving a specially-crafted ie, deeply nested hashmap or hashtable depending on which logging component is in use to be processed...