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TI-2011-00461 Aliases CVE-2011-0534GHSA-43v2-6grp-9pp9

Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the…

Priority LOW 33CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-399 and the CVSS impact.

Summary

Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests involving the NIO HTTP connector, which allows remote attackers to cause a denial of service (OutOfMemoryError) via a crafted request.

Why it matters now

EPSS 0.07885 94th percentileScored 2026-11-07
Fix Fixed org.apache.tomcat:tomcat (Maven): 6.0.32, 7.0.8Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.apache.tomcat:tomcat (Maven)6.0.0 to before 6.0.326.0.32Patch availableGHSA-43v2-6grp-9pp9
—org.apache.tomcat:tomcat (Maven)7.0.0 to before 7.0.87.0.8Patch availableGHSA-43v2-6grp-9pp9
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.apache.tomcat:tomcat (Maven) Vendor— Affected 6.0.0 to before 6.0.32 Fixed in 6.0.32 Patch available GHSA-43v2-6grp-9pp9
  • org.apache.tomcat:tomcat (Maven) Vendor— Affected 7.0.0 to before 7.0.8 Fixed in 7.0.8 Patch available GHSA-43v2-6grp-9pp9

CPE configurations NVD · 34

CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.1:*:*:*:*:*:*:*7.0.1VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.2:*:*:*:*:*:*:*7.0.2VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.3:*:*:*:*:*:*:*7.0.3VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:*7.0.4VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.5:*:*:*:*:*:*:*7.0.5VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:*7.0.6VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*6.0.0VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*6.0.1VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*6.0.2VulnerableApache
  • cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.1:*:*:*:*:*:*:* Versions 7.0.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.2:*:*:*:*:*:*:* Versions 7.0.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.3:*:*:*:*:*:*:* Versions 7.0.3 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:* Versions 7.0.4 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.5:*:*:*:*:*:*:* Versions 7.0.5 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:* Versions 7.0.6 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Apache
Show 24 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*6.0.3VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*6.0.4VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:*6.0.5VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:*6.0.6VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*6.0.7VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*6.0.8VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*6.0.9VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:*6.0.10VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:*6.0.11VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:*6.0.12VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:*6.0.13VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:*6.0.14VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:*6.0.15VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:*6.0.16VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:*6.0.17VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:*6.0.18VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:*6.0.19VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:*6.0.20VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:*6.0.24VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:*6.0.26VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:*6.0.27VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:*6.0.28VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:*6.0.29VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:*6.0.30VulnerableApache
  • cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:* Versions 6.0.3 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:* Versions 6.0.4 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:* Versions 6.0.5 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:* Versions 6.0.6 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:* Versions 6.0.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:* Versions 6.0.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:* Versions 6.0.9 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:* Versions 6.0.10 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:* Versions 6.0.11 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:* Versions 6.0.12 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:* Versions 6.0.13 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:* Versions 6.0.14 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:* Versions 6.0.15 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:* Versions 6.0.16 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:* Versions 6.0.17 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:* Versions 6.0.18 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:* Versions 6.0.19 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:* Versions 6.0.20 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:* Versions 6.0.24 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:* Versions 6.0.26 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:* Versions 6.0.27 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:* Versions 6.0.28 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:* Versions 6.0.29 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:* Versions 6.0.30 Vulnerable ·Apache

Remediation

  • Fix · GHSA-43v2-6grp-9pp9 org.apache.tomcat:tomcat (Maven) Fixed in 6.0.32 Advisory →
  • Fix · GHSA-43v2-6grp-9pp9 org.apache.tomcat:tomcat (Maven) Fixed in 7.0.8 Advisory →

Red Hat 3 advisories

  • RHSA-2011:0350 Released 2011-03-11 · Red Hat rating Important
    tomcat5 and tomcat6 security update
    • Red Hat JBoss Web Server 1.0
  • RHSA-2011:0348 Released 2011-03-11 · Red Hat rating Important
    tomcat6 security update
    • Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server tomcat6-6.0.24-11.patch_03.ep5.el5, tomcat6-admin-webapps-6.0.24-11.patch_03.ep5.el5, tomcat6-docs-webapp-6.0.24-11.patch_03.ep5.el5 +7
    • Red Hat JBoss Web Server 1.0 for RHEL 4 AS tomcat6-6.0.24-11.patch_03.ep5.el4, tomcat6-admin-webapps-6.0.24-11.patch_03.ep5.el4, tomcat6-docs-webapp-6.0.24-11.patch_03.ep5.el4 +7
    • Red Hat JBoss Web Server 1.0 for RHEL 4 ES tomcat6-6.0.24-11.patch_03.ep5.el4, tomcat6-admin-webapps-6.0.24-11.patch_03.ep5.el4, tomcat6-docs-webapp-6.0.24-11.patch_03.ep5.el4 +7
  • RHSA-2011:0335 Released 2011-03-09 · Red Hat rating Important
    tomcat6 security and bug fix update
    • Red Hat Enterprise Linux Desktop Optional (v. 6) tomcat6-6.0.24-24.el6_0, tomcat6-admin-webapps-6.0.24-24.el6_0, tomcat6-docs-webapp-6.0.24-24.el6_0 +7
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) tomcat6-6.0.24-24.el6_0, tomcat6-admin-webapps-6.0.24-24.el6_0, tomcat6-docs-webapp-6.0.24-24.el6_0 +7
    • Red Hat Enterprise Linux Server (v. 6) tomcat6-6.0.24-24.el6_0, tomcat6-el-2.1-api-6.0.24-24.el6_0, tomcat6-jsp-2.1-api-6.0.24-24.el6_0 +2
    • Red Hat Enterprise Linux Server Optional (v. 6) tomcat6-6.0.24-24.el6_0, tomcat6-admin-webapps-6.0.24-24.el6_0, tomcat6-docs-webapp-6.0.24-24.el6_0 +3
    • Red Hat Enterprise Linux Workstation (v. 6) tomcat6-6.0.24-24.el6_0, tomcat6-el-2.1-api-6.0.24-24.el6_0, tomcat6-jsp-2.1-api-6.0.24-24.el6_0 +2
    • Red Hat Enterprise Linux Workstation Optional (v. 6) tomcat6-6.0.24-24.el6_0, tomcat6-admin-webapps-6.0.24-24.el6_0, tomcat6-docs-webapp-6.0.24-24.el6_0 +3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2011:0335
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2011:0335
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0335
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:0335
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:0335
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2011:0335
Red Hat JBoss Enterprise Web Server 1 for RHEL 5 ServerFixed RHSA-2011:0348
Red Hat JBoss Web Server 1.0Fixed RHSA-2011:0350
Red Hat JBoss Web Server 1.0 for RHEL 4 ASFixed RHSA-2011:0348
Red Hat JBoss Web Server 1.0 for RHEL 4 ESFixed RHSA-2011:0348

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-0534
  2. 2026-10-03 Alias added: GHSA-43v2-6grp-9pp9

References

Patch 1

Advisory 7

Other 15

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
See all 273 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences