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CVE-2012-2733
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…
Medium5.0EPSS 8.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
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)
- 8.7% · top 4.8% 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
References (16)
- SSRT101139 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 51371 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2012:1700 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- oval:org.mitre.oval:def:19218 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- USN-1637-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SSRT101182 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://tomcat.apache.org/security-7.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 56402 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://svn.apache.org/viewvc?view=revision&revision=1356208 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://tomcat.apache.org/security-6.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 57126 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2013:0147 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- HPSBST02955 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- openSUSE-SU-2012:1701 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://svn.apache.org/viewvc?view=revision&revision=1350301 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1027729 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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 Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .