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Vulnerability record · CVE-2014-0099 · published 31 May 2014

CVE-2014-0099: Apache tomcat vulnerability

Apache · Tomcat

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.

4.3 CVSS 2.0 Medium EPSS 8.8% · top 5.0% CWE-189 · CWE-189
4.3CVSS 2.0 base score
8.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
98References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://advisories.mageia.org/MGASA-2014-0268.html
http://linux.oracle.com/errata/ELSA-2014-0865.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html
http://marc.info/?l=bugtraq&m=141017844705317&w=2
http://marc.info/?l=bugtraq&m=141390017113542&w=2
http://marc.info/?l=bugtraq&m=144498216801440&w=2
http://rhn.redhat.com/errata/RHSA-2015-0675.html
http://rhn.redhat.com/errata/RHSA-2015-0720.html
http://rhn.redhat.com/errata/RHSA-2015-0765.html
http://seclists.org/fulldisclosure/2014/Dec/23
http://seclists.org/fulldisclosure/2014/May/138
http://seclists.org/fulldisclosure/2014/May/140
http://secunia.com/advisories/59121
http://secunia.com/advisories/59678
http://secunia.com/advisories/59732
http://secunia.com/advisories/59835
http://secunia.com/advisories/59849
http://secunia.com/advisories/59873
http://secunia.com/advisories/60729
http://secunia.com/advisories/60793
http://svn.apache.org/viewvc?view=revision&revision=1578812
http://svn.apache.org/viewvc?view=revision&revision=1578814
http://svn.apache.org/viewvc?view=revision&revision=1580473
http://tomcat.apache.org/security-6.html Vendor Advisory
http://tomcat.apache.org/security-7.html Vendor Advisory
http://tomcat.apache.org/security-8.html Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21678231
http://www-01.ibm.com/support/docview.wss?uid=swg21680603
http://www-01.ibm.com/support/docview.wss?uid=swg21681528
http://www.debian.org/security/2016/dsa-3447
http://www.debian.org/security/2016/dsa-3530
http://www.mandriva.com/security/advisories?name=MDVSA-2015:052
http://www.mandriva.com/security/advisories?name=MDVSA-2015:053
http://www.mandriva.com/security/advisories?name=MDVSA-2015:084
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
http://www.securityfocus.com/archive/1/532218/100/0/threaded
http://www.securityfocus.com/archive/1/532221/100/0/threaded
http://www.securityfocus.com/archive/1/534161/100/0/threaded
http://www.securityfocus.com/bid/67668

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-0099), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.