CVE-2012-0022

Denial of Service in Apache Tomcat

5.0 MediumFix available

Apache Tomcat 5.5.x before 5.5.35, 6.x before 6.0.34, and 7.x before 7.0.23 uses an inefficient approach for handling parameters, which allows remote attackers to cause a denial of service (CPU consumption) via a request that contains many parameters and parameter values, a different vulnerability than CVE-2011-4858.

Exploit likelihood

10.5%Up 3.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2012-0022
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-0022
Updated: 2026-11-02

EUVDEUVD-2022-3181 No score

Record: EUVD-2022-3181
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8h2q-qm9x-55jc No score

Denial of Service in Apache Tomcat

Record: GHSA-8h2q-qm9x-55jc
Updated: 2026-11-02

OSVGHSA-8h2q-qm9x-55jc No score

Denial of Service in Apache Tomcat

Record: GHSA-8h2q-qm9x-55jc
Updated: 2026-11-02

OSVSUSE-SU-2015:1337-1 No score

Security update for tomcat6

This update of tomcat6 fixes:

* apache-tomcat-CVE-2012-3544.patch (bnc#831119)
* use chown --no-dereference to prevent symlink attacks on log
  (bnc#822177#c7/prevents CVE-2013-1976)
* Fix tomcat init scripts generating malformed classpath (
  http://youtrack.jetbrains.com/issue/JT-18545
  <http://youtrack.jetbrains.com/issue/JT-18545> ) bnc#804992 (patch
  from m407)
* fix a typo in initscript (bnc#768772 )
* copy all shell scripts (bnc#818948)

Security Issue references:

* CVE-2012-3544
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3544>
* CVE-2013-1976
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1976>
* CVE-2012-0022
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0022>

Record: SUSE-SU-2015:1337-1
Updated: 2026-11-02

Affected products

apache tomcat

Affected packages

Affected packages
Package	Affected	Fixed
`org.apache.tomcat:tomcat` Maven	5.5.0 up to 5.5.35	5.5.35
`org.apache.tomcat:tomcat` Maven	6.0.0 up to 6.0.34	6.0.34
`org.apache.tomcat:tomcat` Maven	7.0.0 up to 7.0.23	7.0.23
`tomcat6` Debian:6.0 From an advisory covering 10 CVEs	before 6.0.35-1+squeeze2, plus listed versions 6.0.28-106.0.28-96.0.28-9+squeeze16.0.32-16.0.32-2 Show 7 moreShow less 6.0.32-36.0.32-46.0.32-56.0.32-66.0.32-76.0.33-16.0.35-1	6.0.35-1+squeeze2
`jbossweb` Red Hat:jboss_enterprise_application_platform:5::el4 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el4	0:2.1.12-3_patch_03.2.ep5.el4
`jbossweb-el-1.0-api` Red Hat:jboss_enterprise_application_platform:5::el4 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el4	0:2.1.12-3_patch_03.2.ep5.el4
`jbossweb-jsp-2.1-api` Red Hat:jboss_enterprise_application_platform:5::el4 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el4	0:2.1.12-3_patch_03.2.ep5.el4
`jbossweb-lib` Red Hat:jboss_enterprise_application_platform:5::el4 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el4	0:2.1.12-3_patch_03.2.ep5.el4
`jbossweb-servlet-2.5-api` Red Hat:jboss_enterprise_application_platform:5::el4 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el4	0:2.1.12-3_patch_03.2.ep5.el4
`jbossweb` Red Hat:jboss_enterprise_application_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5

Show 127 moreShow less

Affected packages
Package	Affected	Fixed
`jbossweb-el-1.0-api` Red Hat:jboss_enterprise_application_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-jsp-2.1-api` Red Hat:jboss_enterprise_application_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-lib` Red Hat:jboss_enterprise_application_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-servlet-2.5-api` Red Hat:jboss_enterprise_application_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb` Red Hat:jboss_enterprise_application_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-el-1.0-api` Red Hat:jboss_enterprise_application_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-jsp-2.1-api` Red Hat:jboss_enterprise_application_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-lib` Red Hat:jboss_enterprise_application_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-servlet-2.5-api` Red Hat:jboss_enterprise_application_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb` Red Hat:jboss_enterprise_web_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-el-1.0-api` Red Hat:jboss_enterprise_web_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-jsp-2.1-api` Red Hat:jboss_enterprise_web_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-lib` Red Hat:jboss_enterprise_web_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb-servlet-2.5-api` Red Hat:jboss_enterprise_web_platform:5::el5 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el5	0:2.1.12-3_patch_03.2.ep5.el5
`jbossweb` Red Hat:jboss_enterprise_web_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-el-1.0-api` Red Hat:jboss_enterprise_web_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-jsp-2.1-api` Red Hat:jboss_enterprise_web_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-lib` Red Hat:jboss_enterprise_web_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`jbossweb-servlet-2.5-api` Red Hat:jboss_enterprise_web_platform:5::el6 From an advisory covering 8 CVEs	before 0:2.1.12-3_patch_03.2.ep5.el6	0:2.1.12-3_patch_03.2.ep5.el6
`tomcat5` Red Hat:enterprise_linux:5::client From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jsp-2.0-api` Red Hat:enterprise_linux:5::client From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-servlet-2.4-api` Red Hat:enterprise_linux:5::client From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-admin-webapps` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-common-lib` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-debuginfo` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jasper` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jasper-javadoc` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jsp-2.0-api-javadoc` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-server-lib` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-servlet-2.4-api-javadoc` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-webapps` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-admin-webapps` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-common-lib` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jasper` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jasper-javadoc` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jsp-2.0-api` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-jsp-2.0-api-javadoc` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-server-lib` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-servlet-2.4-api` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-servlet-2.4-api-javadoc` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat5-webapps` Red Hat:enterprise_linux:5::server From an advisory covering 2 CVEs	before 0:5.5.23-0jpp.31.el5_8	0:5.5.23-0jpp.31.el5_8
`tomcat6` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-admin-webapps` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-docs-webapp` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-el-2.1-api` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-javadoc` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-jsp-2.1-api` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-lib` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-servlet-2.5-api` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-webapps` Red Hat:enterprise_linux:6::client From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-admin-webapps` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-docs-webapp` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-el-2.1-api` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-javadoc` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-jsp-2.1-api` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-lib` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-servlet-2.5-api` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-webapps` Red Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-el-2.1-api` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-jsp-2.1-api` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-lib` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-servlet-2.5-api` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-admin-webapps` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-docs-webapp` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-javadoc` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-webapps` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-el-2.1-api` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-jsp-2.1-api` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-lib` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-servlet-2.5-api` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-admin-webapps` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-docs-webapp` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-javadoc` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat6-webapps` Red Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs	before 0:6.0.24-36.el6_2	0:6.0.24-36.el6_2
`tomcat5` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-admin-webapps` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-common-lib` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-jasper` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-jasper-eclipse` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-jasper-javadoc` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-jsp-2.0-api` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-jsp-2.0-api-javadoc` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-parent` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-server-lib` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-servlet-2.4-api` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-servlet-2.4-api-javadoc` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5-webapps` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 9 CVEs	before 0:5.5.33-27_patch_07.ep5.el5	0:5.5.33-27_patch_07.ep5.el5
`tomcat5` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-admin-webapps` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-common-lib` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-jasper` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-jasper-eclipse` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-jasper-javadoc` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-jsp-2.0-api` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-jsp-2.0-api-javadoc` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-parent` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-server-lib` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-servlet-2.4-api` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-servlet-2.4-api-javadoc` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat5-webapps` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 9 CVEs	before 0:5.5.33-28_patch_07.ep5.el6	0:5.5.33-28_patch_07.ep5.el6
`tomcat6` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-admin-webapps` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-docs-webapp` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-el-1.0-api` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-javadoc` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-jsp-2.1-api` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-lib` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-log4j` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-servlet-2.5-api` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6-webapps` Red Hat:jboss_enterprise_web_server:1::el5 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el5	0:6.0.32-24_patch_07.ep5.el5
`tomcat6` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-admin-webapps` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-docs-webapp` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-el-1.0-api` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-javadoc` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-jsp-2.1-api` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-lib` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-log4j` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-servlet-2.5-api` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6
`tomcat6-webapps` Red Hat:jboss_enterprise_web_server:1::el6 From an advisory covering 10 CVEs	before 0:6.0.32-24_patch_07.ep5.el6	0:6.0.32-24_patch_07.ep5.el6

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-0022 is a medium vulnerability (CVSS 5.0) in Apache Tomcat, published January 19, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.5%, the 95th percentile. Fixed in org.apache.tomcat:tomcat 5.5.35.

References

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