Unity Linux 20.1070e Security Update: log4j (UTSA-2026-016725)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016725 advisory. It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non- default configurations. This could allows attackers with...

log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

A flaw was found in the Apache Log4j logging library in versions from 2.0.0 and before 2.16.0. A remote attacker with control over Thread Context Map MDC input data could craft malicious input using a JNDI Lookup pattern resulting in remote code execution RCE in a limited number of environments...

CVE-2021-45046

A flaw was found in the Apache Log4j logging library in versions from 2.0.0 and before 2.16.0. A remote attacker with control over Thread Context Map MDC input data could craft malicious input using a JNDI Lookup pattern resulting in remote code execution RCE in a limited number of environments...

log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern

A flaw was found in the Apache Log4j logging library 2.x. when the logging configuration uses a non-default Pattern Layout with a Context Lookup. Attackers with control over Thread Context Map MDC input data can craft malicious input data that contains a recursive lookup and can cause Denial of...

log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern

A flaw was found in the Apache Log4j logging library 2.x. when the logging configuration uses a non-default Pattern Layout with a Context Lookup. Attackers with control over Thread Context Map MDC input data can craft malicious input data that contains a recursive lookup and can cause Denial of...

log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

A flaw was found in the Apache Log4j logging library in versions from 2.0.0 and before 2.16.0. A remote attacker with control over Thread Context Map MDC input data could craft malicious input using a JNDI Lookup pattern resulting in remote code execution RCE in a limited number of environments...

log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern

A flaw was found in the Apache Log4j logging library 2.x. when the logging configuration uses a non-default Pattern Layout with a Context Lookup. Attackers with control over Thread Context Map MDC input data can craft malicious input data that contains a recursive lookup and can cause Denial of...

log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

A flaw was found in the Apache Log4j logging library in versions from 2.0.0 and before 2.16.0. A remote attacker with control over Thread Context Map MDC input data could craft malicious input using a JNDI Lookup pattern resulting in remote code execution RCE in a limited number of environments...

log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

A flaw was found in the Apache Log4j logging library in versions from 2.0.0 and before 2.16.0. A remote attacker with control over Thread Context Map MDC input data could craft malicious input using a JNDI Lookup pattern resulting in remote code execution RCE in a limited number of environments...

log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern

A flaw was found in the Apache Log4j logging library 2.x. when the logging configuration uses a non-default Pattern Layout with a Context Lookup. Attackers with control over Thread Context Map MDC input data can craft malicious input data that contains a recursive lookup and can cause Denial of...

Security Bulletin: IBM Telco Network Cloud Manager - Performance is vulnerable to denial of service and arbitrary code execution due to Apache Log4j (CVE-2021-45105 and CVE-2021-45046)

Summary Apache Log4j is used by IBM Telco Network Cloud Manager - Performance for logging and is vulnerable to denial of service and arbitrary code execution due to Apache Log4j CVE-2021-45105 and CVE-2021-45046. The fix includes Apache Log4j v2.17. Vulnerability Details CVEID: CVE-2021-45105...

graylog -- remote code execution in log4j from user-controlled log input

Apache Software Foundation reports: It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map MDC input data when the logging configuration uses a non-default...