Back
CVE-2011-0534
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…
Medium5.0EPSS 7.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 7.9% · top 5.3% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.tomcat:tomcatGHSA-43v2-6grp-9pp9 (opens in a new tab)
References (18)
- 8074 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 1025027 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 45022 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SR:2011:005 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 70809 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20110205 [SECURITY] CVE-2011-0534 Apache Tomcat DoS vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- APPLE-SA-2011-10-12-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- ADV-2011-0293 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 57126 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- tomcat-nio-connector-dos(65162) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 46164 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 43192 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2160 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://support.apple.com/kb/HT5002 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.8_%28released_5_Feb_2011%29 (opens in a new tab)x_refsource_CONFIRMx_transferred
- HPSBST02955 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5098550.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.32 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-43v2-6grp-9pp9 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .