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Log4j2
PRODUCT· dossier confidence 20%
Log4j2, a Java logging library, has been plagued by critical security vulnerabilities, leading to concerns over its security posture and the company's response to these issues.
PROFILE
CategorysoftwareWhat they doLog4j2 is a widely-used Java logging library that enables logging for Java applications.
Websitehttps://logging.apache.org/log4j/2/ ↗
SECURITY POSTURE
The company has faced criticism for its handling of security vulnerabilities in Log4j2, particularly the delayed response to the initial CVE-2021-44228 and the incomplete fix for CVE-2021-45046.
Notable failures
- CVE-2021-44228: Remote code execution vulnerability allowing attackers to execute arbitrary code on vulnerable systems remotely.
- CVE-2021-45046: Incomplete fix for CVE-2021-44228 left the Thread Context Lookup Pattern vulnerable to remote code execution in non-default configurations.
Patterns: Delayed response to critical vulnerabilities; Incomplete patches leading to recurring vulnerabilities
FAILURE HISTORY · 2
| DATE | EVENT | SEV | SUMMARY |
|---|---|---|---|
| 2021-12-10 | CVE-2021-44228 | critical | The Log4j2 vulnerability allowed attackers to execute arbitrary code on vulnerable systems remotely. |
| 2023-05-01 | CVE-2021-45046 | critical | Apache Log4j2's incomplete fix for CVE-2021-44228 left the Thread Context Lookup Pattern vulnerable to remote code execution in non-default configurations. |
DOSSIER SOURCES
- Company Database Search · www.edgarcompany.sec.gov
- Log4J: Releases, patches & end-of-life · www.versio.io
- Mozilla Firefox Security Vulnerabilities in 2026 - stack.watch · stack.watch
- Mythos · CVE Tracker · mythoscvetracker.com
Open questions: How has the company improved its security practices since the Log4j2 vulnerabilities? · What measures are in place to prevent similar vulnerabilities in the future?
DOSSIER · dex-RAG synthesis · grounded in our own collection + trusted sourcesbuilt 2026-07-24 03:43:29.659332+00:00