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| purl | pkg:maven/org.apache.logging.log4j/log4j-core@2.21.0 |
| Advisory | Summary | Fixed in package version |
|---|---|---|
|
GHSA-vc5p-v9hr-52mj
Aliases: CVE-2025-68161 |
Apache Log4j does not verify the TLS hostname in its Socket Appender The Socket Appender in Apache Log4j Core versions … |
Vulnerable |
|
GHSA-6hg6-v5c8-fphq
Aliases: CVE-2026-34477 |
Apache Log4j Core: `verifyHostName` attribute silently ignored in TLS configuration The fix for CVE-2025-68161 was incomplete: it addressed hostname verification … |
Not vulnerable |
|
GHSA-3pxv-7cmr-fjr4
Aliases: CVE-2026-34480 |
Apache Log4j Core: Silent log event loss in XmlLayout due to unescaped XML 1.0 forbidden characters Apache Log4j Core's [`XmlLayout`](https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout), … |
Not vulnerable |
|
GHSA-445c-vh5m-36rj
Aliases: CVE-2026-34478 |
Apache Log4j Core: log injection in `Rfc5424Layout` due to silent configuration incompatibility Apache Log4j Core's [`Rfc5424Layout`](https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout), in versions 2.21.0 through … |
Not vulnerable |
|
GHSA-h383-gmxw-35v2
Aliases: CVE-2026-34479 |
Apache Log4j 1 to Log4j 2 bridge: silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters … |
Not vulnerable |
|
CVE-2026-34479
Aliases: GHSA-h383-gmxw-35v2 |
Apache Log4j 1 to Log4j 2 bridge: silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters … |
Not vulnerable |