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    CVE-2014-0099

    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.

    Published:May 27, 2014
    Last Modified:Apr 12, 2025
    EPS:May 31, 2014
    EPSS Score:0.6961
    CVSS Score:4.3

    Affected Products

    Vendor
    Apache
    Product
    Tomcat
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Bpms
    Vendor
    Redhat
    Product
    Jboss Brms
    Vendor
    Redhat
    Product
    Jboss Data Grid
    Vendor
    Redhat
    Product
    Jboss Data Virtualization
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Portal Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Web Server
    Vendor
    Redhat
    Product
    Jboss Fuse Service Works
    Vendor
    Redhat
    Product
    Jboss Operations Network

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-73180 (CVSS 6.8) — Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticat…
    CVE-2026-68763 (CVSS 7.5) — Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog …
    CVE-2026-68569 (CVSS 8.1) — Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPN…
    CVE-2026-68525 (CVSS 9.1) — Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a…
    CVE-2026-66422 (CVSS 8.1) — Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly…
    CVE-2026-65927 (CVSS 7.5) — Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite pr…
    CVE-2026-65905 (CVSS 9.8) — Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before wind…
    CVE-2026-65637 (CVSS 9.8) — Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This iss…
    CVE-2026-65183 (CVSS 8.1) — Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain soc…
    CVE-2026-65182 (CVSS 9.1) — Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint b…

    References

    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
    http://tomcat.apache.org/security-7.html
    http://tomcat.apache.org/security-8.html
    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
    http://www.securitytracker.com/id/1030302
    http://www.vmware.com/security/advisories/VMSA-2014-0012.html
    https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013
    https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E
    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
    http://tomcat.apache.org/security-7.html
    http://tomcat.apache.org/security-8.html
    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
    http://www.securitytracker.com/id/1030302
    http://www.vmware.com/security/advisories/VMSA-2014-0012.html
    https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013
    https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
    https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High