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CVE-2014-0099

MEDIUM severity · CVSS 4.3 · CWE-189
4.3CVSS MEDIUM

Summary

Integer overflow in java/org/apache/tomcat/util/buf/Ascii.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4, when operated behind a reverse proxy, allows remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.

Impact & exploitability

Attack vectorNetwork
Attack complexity
Privileges required
User interaction
Confidentiality impactNone
Integrity impact
Availability impactNone
Exploit probability (EPSS)38%

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Last checked: Wed, 10 Jun 2026 22:18:30 UTC