Known Vulnerabilities for Apache Log4j Core by Apache Software Foundation

Listed below are 4 of the newest known vulnerabilities associated with "Apache Log4j Core" by "Apache Software Foundation".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-34480 json Apache Log4j Core's XmlLayout https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout , in versions up to and inc... Not Provided 2026-04-10 2026-04-10
CVE-2026-34479 json The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, p... Not Provided 2026-04-10 2026-04-10
CVE-2026-34478 json Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout , in versions 2.21.... Not Provided 2026-04-10 2026-04-10
CVE-2026-34477 json The fix for CVE-2025-68161 https://logging.apache.org/security.html#CVE-2025-68161 was incomplete: it addressed hostname ve... Not Provided 2026-04-10 2026-04-10
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