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CVE-2013-4322

MEDIUM · CVSS 4.3EPSS 9.1%EU EUVD

Apache Tomcat before 6.0.39, 7.x before 7.0.50, and 8.x before 8.0.0-RC10 processes chunked transfer coding without properly handling (1) a large total amount of chunked data or (2) whitespace characters in an HTTP header value within a trailer field, which allows remote attackers to cause a denial of service by streaming data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3544.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-20
EPSS score
9.1% (95th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2022-5618)
Published
February 26, 2014
NVD last modified
October 9, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-5618 in the EU Vulnerability Database. Last updated in EUVD on October 9, 2026.

View on the EU Vulnerability Database

Affected products

  • apache / tomcat
  • apache / tomcat
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and 141 more…

References

Last updated October 11, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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