Read the docs
TI-2012-02364 Aliases CVE-2012-2733GHSA-cpr9-82wf-f629

java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in…

Priority LOW 34CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.

Why it matters now

EPSS 0.08742 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 70

CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:6.0:*:*:*:*:*:*:*6.0VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*6.0.0VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:*6.0.0 alphaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*6.0.1VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:*6.0.1 alphaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*6.0.2VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.2:alpha:*:*:*:*:*:*6.0.2 alphaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.2:beta:*:*:*:*:*:*6.0.2 betaVulnerableApache
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:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:* Versions 6.0.0 alpha Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:* Versions 6.0.1 alpha Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.2:alpha:*:*:*:*:*:* Versions 6.0.2 alpha Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.2:beta:*:*:*:*:*:* Versions 6.0.2 beta Vulnerable ·Apache
  • 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
Show 60 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:6.0.4:alpha:*:*:*:*:*:*6.0.4 alphaVulnerableApache
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:6.0.6:alpha:*:*:*:*:*:*6.0.6 alphaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*6.0.7VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.7:alpha:*:*:*:*:*:*6.0.7 alphaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.7:beta:*:*:*:*:*:*6.0.7 betaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*6.0.8VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.8:alpha:*:*:*:*:*:*6.0.8 alphaVulnerableApache
cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*6.0.9VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.9:beta:*:*:*:*:*:*6.0.9 betaVulnerableApache
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:6.0.31:*:*:*:*:*:*:*6.0.31VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:*6.0.32VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.33:*:*:*:*:*:*:*6.0.33VulnerableApache
cpe:2.3:a:apache:tomcat:6.0.35:*:*:*:*:*:*:*6.0.35VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:*7.0.0 betaVulnerableApache
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:7.0.2:beta:*:*:*:*:*:*7.0.2 betaVulnerableApache
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:7.0.4:beta:*:*:*:*:*:*7.0.4 betaVulnerableApache
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:7.0.7:*:*:*:*:*:*:*7.0.7VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.8:*:*:*:*:*:*:*7.0.8VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.9:*:*:*:*:*:*:*7.0.9VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:*7.0.10VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:*7.0.11VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.12:*:*:*:*:*:*:*7.0.12VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.13:*:*:*:*:*:*:*7.0.13VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.14:*:*:*:*:*:*:*7.0.14VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.15:*:*:*:*:*:*:*7.0.15VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.16:*:*:*:*:*:*:*7.0.16VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.17:*:*:*:*:*:*:*7.0.17VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.18:*:*:*:*:*:*:*7.0.18VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:*7.0.19VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:*7.0.20VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.21:*:*:*:*:*:*:*7.0.21VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.22:*:*:*:*:*:*:*7.0.22VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.23:*:*:*:*:*:*:*7.0.23VulnerableApache
cpe:2.3:a:apache:tomcat:7.0.25:*:*:*:*:*:*:*7.0.25VulnerableApache
  • cpe:2.3:a:apache:tomcat:6.0.4:alpha:*:*:*:*:*:* Versions 6.0.4 alpha 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:6.0.6:alpha:*:*:*:*:*:* Versions 6.0.6 alpha Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:* Versions 6.0.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.7:alpha:*:*:*:*:*:* Versions 6.0.7 alpha Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.7:beta:*:*:*:*:*:* Versions 6.0.7 beta Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:* Versions 6.0.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.8:alpha:*:*:*:*:*:* Versions 6.0.8 alpha Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:* Versions 6.0.9 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.9:beta:*:*:*:*:*:* Versions 6.0.9 beta 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
  • cpe:2.3:a:apache:tomcat:6.0.31:*:*:*:*:*:*:* Versions 6.0.31 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:* Versions 6.0.32 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.33:*:*:*:*:*:*:* Versions 6.0.33 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:6.0.35:*:*:*:*:*:*:* Versions 6.0.35 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:* Versions 7.0.0 beta 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:7.0.2:beta:*:*:*:*:*:* Versions 7.0.2 beta 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:7.0.4:beta:*:*:*:*:*:* Versions 7.0.4 beta 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:7.0.7:*:*:*:*:*:*:* Versions 7.0.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.8:*:*:*:*:*:*:* Versions 7.0.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.9:*:*:*:*:*:*:* Versions 7.0.9 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:* Versions 7.0.10 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:* Versions 7.0.11 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.12:*:*:*:*:*:*:* Versions 7.0.12 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.13:*:*:*:*:*:*:* Versions 7.0.13 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.14:*:*:*:*:*:*:* Versions 7.0.14 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.15:*:*:*:*:*:*:* Versions 7.0.15 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.16:*:*:*:*:*:*:* Versions 7.0.16 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.17:*:*:*:*:*:*:* Versions 7.0.17 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.18:*:*:*:*:*:*:* Versions 7.0.18 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:* Versions 7.0.19 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:* Versions 7.0.20 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.21:*:*:*:*:*:*:* Versions 7.0.21 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.22:*:*:*:*:*:*:* Versions 7.0.22 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.23:*:*:*:*:*:*:* Versions 7.0.23 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:7.0.25:*:*:*:*:*:*:* Versions 7.0.25 Vulnerable ·Apache

Remediation

Red Hat 2 advisories

  • RHSA-2013:0266 Released 2013-02-19 · Red Hat rating Moderate
    tomcat6 security update
    • Red Hat JBoss Enterprise Web Server 2 for RHEL 5 Server tomcat6-6.0.35-6_patch_06.ep6.el5, tomcat6-admin-webapps-6.0.35-6_patch_06.ep6.el5, tomcat6-docs-webapp-6.0.35-6_patch_06.ep6.el5 +7
    • Red Hat JBoss Enterprise Web Server 2 for RHEL 6 Server tomcat6-6.0.35-29_patch_06.ep6.el6, tomcat6-admin-webapps-6.0.35-29_patch_06.ep6.el6, tomcat6-docs-webapp-6.0.35-29_patch_06.ep6.el6 +7
  • RHSA-2013:0265 Released 2013-02-19 · Red Hat rating Moderate
    tomcat6 security update
    • Red Hat JBoss Web Server 2.0

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat JBoss Enterprise Web Server 2 for RHEL 5 ServerFixed RHSA-2013:0266
Red Hat JBoss Enterprise Web Server 2 for RHEL 6 ServerFixed RHSA-2013:0266
Red Hat JBoss Web Server 2.0Fixed RHSA-2013:0265
Not affected: 7 products
  • Red Hat Enterprise Linux 6
  • Red Hat JBoss BRMS 5
  • Red Hat JBoss Data Grid 6
  • Red Hat JBoss Enterprise Web Server 2
  • Red Hat JBoss Operations Network 3
  • Red Hat JBoss Portal 5
  • Red Hat JBoss SOA Platform 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-2733
  2. 2026-10-03 Alias added: GHSA-cpr9-82wf-f629

References

Advisory 9

Other 3

  • 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