Improper Input Validation Affecting log4j package, versions <0:1.2.12-1jpp_1rh


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
10.05% (96th percentile)

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  • Snyk IDSNYK-RHEL10-LOG4J-9876590
  • published28 Apr 2025
  • disclosed3 Jun 2009

Introduced: 3 Jun 2009

CVE-2009-0033  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:10 log4j to version 0:1.2.12-1jpp_1rh or higher.
This issue was patched in RHSA-2010:0602.

NVD Description

Note: Versions mentioned in the description apply only to the upstream log4j package and not the log4j package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause a denial of service (application outage) via a crafted request with invalid headers, related to temporary blocking of connectors that have encountered errors, as demonstrated by an error involving a malformed HTTP Host header.

References

CVSS Base Scores

version 3.1