Tomcat/JBossWeb: Request smuggling via malicious content length header
Published May 31, 2014
4.3
MEDIUMCVSS 2.0
EPSS 8.84%
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.
Affected products
No data.
Configuration 1
- ≤ 6.0.39
- 6
- 6.0
- 6.0.0
- 6.0.0
- 6.0.1
- 6.0.1
- 6.0.2
- 6.0.2
- 6.0.2
- 6.0.3
- 6.0.4
- 6.0.4
- 6.0.5
- 6.0.6
- 6.0.6
- 6.0.7
- 6.0.7
- 6.0.7
- 6.0.8
- 6.0.8
- 6.0.9
- 6.0.9
- 6.0.10
- 6.0.11
- 6.0.12
- 6.0.13
- 6.0.14
- 6.0.15
- 6.0.16
- 6.0.17
- 6.0.18
- 6.0.19
- 6.0.20
- 6.0.24
- 6.0.26
- 6.0.27
- 6.0.28
- 6.0.29
- 6.0.30
- 6.0.31
- 6.0.32
- 6.0.33
- 6.0.35
- 6.0.36
- 6.0.37
Configuration 2
Configuration 3
- 7.0.0
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.2
- 7.0.3
- 7.0.4
- 7.0.4
- 7.0.5
- 7.0.6
- 7.0.7
- 7.0.8
- 7.0.9
- 7.0.10
- 7.0.11
- 7.0.12
- 7.0.13
- 7.0.14
- 7.0.15
- 7.0.16
- 7.0.17
- 7.0.18
- 7.0.19
- 7.0.20
- 7.0.21
- 7.0.22
- 7.0.23
- 7.0.24
- 7.0.25
- 7.0.26
- 7.0.27
- 7.0.28
- 7.0.29
- 7.0.30
- 7.0.31
- 7.0.32
- 7.0.33
- 7.0.34
- 7.0.35
- 7.0.36
- 7.0.37
- 7.0.38
- 7.0.39
- 7.0.40
- 7.0.41
- 7.0.42
- 7.0.43
- 7.0.44
- 7.0.45
- 7.0.46
- 7.0.47
- 7.0.48
- 7.0.49
- 7.0.50
- 7.0.52
No data.
Red Hat Enterprise Linux 6
tomcat6-0:6.0.24-72.el6_5
Fixed · RHSA-2014:0865
Red Hat Enterprise Linux 7
tomcat-0:7.0.42-6.el7_0
Fixed · RHSA-2014:0827
Red Hat JBoss BPMS 6.0
jbossweb
Fixed · RHSA-2015:0234
Red Hat JBoss BRMS 6.0
jbossweb
Fixed · RHSA-2015:0235
Red Hat JBoss Data Grid 6.3
jbossweb
Fixed · RHSA-2014:0895
Red Hat JBoss Data Virtualization 6.0
jbossweb
Fixed · RHSA-2015:0765
Red Hat JBoss Data Virtualization 6.1
n/a
Fixed · RHSA-2015:0675
Red Hat JBoss Enterprise Application Platform 6.2
n/a
Fixed · RHSA-2014:0842
Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 5
jbossweb-0:7.3.2-4.Final_redhat_3.1.ep6.el5
Fixed · RHSA-2014:0843
Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 6
jbossweb-0:7.3.2-4.Final_redhat_3.1.ep6.el6
Fixed · RHSA-2014:0843
Red Hat JBoss Enterprise Web Server 2 for RHEL 5
tomcat6-0:6.0.37-20_patch_04.ep6.el5
Fixed · RHSA-2014:0834
Red Hat JBoss Enterprise Web Server 2 for RHEL 5
tomcat7-0:7.0.40-14_patch_03.ep6.el5
Fixed · RHSA-2014:0835
Red Hat JBoss Enterprise Web Server 2 for RHEL 6
tomcat6-0:6.0.37-29_patch_05.ep6.el6
Fixed · RHSA-2014:0834
Red Hat JBoss Enterprise Web Server 2 for RHEL 6
tomcat7-0:7.0.40-11_patch_03.ep6.el6
Fixed · RHSA-2014:0835
Red Hat JBoss Fuse Service Works 6.0
jbossweb
Fixed · RHSA-2015:0720
Red Hat JBoss Operations Network 3.2
n/a
Fixed · RHSA-2014:1149
Red Hat JBoss Portal 6.2
jbossweb
Fixed · RHSA-2015:1009
Red Hat JBoss Web Server 2.0
tomcat6
Fixed · RHSA-2014:0833
Red Hat JBoss Web Server 2.0
tomcat7
Fixed · RHSA-2014:0836
Red Hat Enterprise Linux 5
tomcat5
Will not fix
Red Hat JBoss Enterprise Application Platform 5
jbossweb
Will not fix
Red Hat JBoss Enterprise Web Server 1
tomcat5
Will not fix
Red Hat JBoss Enterprise Web Server 1
tomcat6
Will not fix
Red Hat JBoss Operations Network 3
jbossweb
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | tomcat6-0:6.0.24-72.el6_5 | Fixed | RHSA-2014:0865 |
| Red Hat Enterprise Linux 7 | tomcat-0:7.0.42-6.el7_0 | Fixed | RHSA-2014:0827 |
| Red Hat JBoss BPMS 6.0 | jbossweb | Fixed | RHSA-2015:0234 |
| Red Hat JBoss BRMS 6.0 | jbossweb | Fixed | RHSA-2015:0235 |
| Red Hat JBoss Data Grid 6.3 | jbossweb | Fixed | RHSA-2014:0895 |
| Red Hat JBoss Data Virtualization 6.0 | jbossweb | Fixed | RHSA-2015:0765 |
| Red Hat JBoss Data Virtualization 6.1 | n/a | Fixed | RHSA-2015:0675 |
| Red Hat JBoss Enterprise Application Platform 6.2 | n/a | Fixed | RHSA-2014:0842 |
| Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 5 | jbossweb-0:7.3.2-4.Final_redhat_3.1.ep6.el5 | Fixed | RHSA-2014:0843 |
| Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 6 | jbossweb-0:7.3.2-4.Final_redhat_3.1.ep6.el6 | Fixed | RHSA-2014:0843 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 | tomcat6-0:6.0.37-20_patch_04.ep6.el5 | Fixed | RHSA-2014:0834 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 | tomcat7-0:7.0.40-14_patch_03.ep6.el5 | Fixed | RHSA-2014:0835 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 | tomcat6-0:6.0.37-29_patch_05.ep6.el6 | Fixed | RHSA-2014:0834 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 | tomcat7-0:7.0.40-11_patch_03.ep6.el6 | Fixed | RHSA-2014:0835 |
| Red Hat JBoss Fuse Service Works 6.0 | jbossweb | Fixed | RHSA-2015:0720 |
| Red Hat JBoss Operations Network 3.2 | n/a | Fixed | RHSA-2014:1149 |
| Red Hat JBoss Portal 6.2 | jbossweb | Fixed | RHSA-2015:1009 |
| Red Hat JBoss Web Server 2.0 | tomcat6 | Fixed | RHSA-2014:0833 |
| Red Hat JBoss Web Server 2.0 | tomcat7 | Fixed | RHSA-2014:0836 |
| Red Hat Enterprise Linux 5 | tomcat5 | Will not fix | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | jbossweb | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 1 | tomcat5 | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 1 | tomcat6 | Will not fix | n/a |
| Red Hat JBoss Operations Network 3 | jbossweb | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does affect JBossWeb as shipped in Red Hat JBoss Enterprise Application Platform 5. Red Hat Product Security has rated this issue as having Moderate security impact. Red Hat JBoss Enterprise Application Platform 5 is currently in reduced support phase (Phase 2: Maintenance Support), receiving only Critical and Important security updates, hence this issue is not currently planned to be addressed in future updates for Red Hat Enterprise Application Platform 5. For additional information, refer to the Red Hat JBoss Middleware and Red Hat JBoss Operations Network Product Update and Support Policy: https://access.redhat.com/support/policy/updates/jboss_notes/ and the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.84% (0.08838) | 95.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.84% (0.08838) | 94.51th | v5 (v2026.06.15) |
| Mar 27, 2026 | 37.86% (0.37857) | 97.18th | v4 (v2025.03.14) |
| Feb 23, 2026 | 39.08% (0.39080) | 97.18th | v4 (v2025.03.14) |
| Feb 19, 2026 | 58.78% (0.58785) | 98.17th | v4 (v2025.03.14) |
| Jun 18, 2025 | 69.61% (0.69610) | 98.55th | v4 (v2025.03.14) |
| Apr 15, 2025 | 72.95% (0.72947) | 98.67th | v4 (v2025.03.14) |
| Mar 30, 2025 | 75.50% (0.75505) | 98.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 77.23% (0.77226) | 98.67th | v4 (v2025.03.14) |
| Mar 19, 2025 | 75.50% (0.75505) | 98.82th | v4 (v2025.03.14) |
| Mar 17, 2025 | 77.55% (0.77550) | 98.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00463) | 76.24th | v3 (v2023.03.01) |
| Mar 2, 2024 | 0.46% (0.00463) | 74.82th | v3 (v2023.03.01) |
| Jan 11, 2024 | 0.46% (0.00463) | 72.82th | v3 (v2023.03.01) |
| May 8, 2023 | 0.47% (0.00472) | 71.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00410) | 69.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.34% (0.07344) | 92.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.34% (0.07344) | 91.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.34% (0.07344) | 80.64th | v2 (v2022.01.01) |
References (63)
- http://advisories.mageia.org/MGASA-2014-0268.html x_refsource_CONFIRM
- http://linux.oracle.com/errata/ELSA-2014-0865.html x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html vendor-advisoryx_refsource_FEDORA
- http://marc.info/?l=bugtraq&m=141017844705317&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=141390017113542&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=144498216801440&w=2 vendor-advisoryx_refsource_HP
- http://rhn.redhat.com/errata/RHSA-2015-0675.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0720.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0765.html vendor-advisoryx_refsource_REDHAT
- http://seclists.org/fulldisclosure/2014/Dec/23 mailing-listx_refsource_FULLDISC
- http://seclists.org/fulldisclosure/2014/May/138 mailing-listx_refsource_FULLDISC
- http://seclists.org/fulldisclosure/2014/May/140 mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/59121 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59678 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59732 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59835 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59849 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59873 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/60729 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/60793 third-party-advisoryx_refsource_SECUNIA
- http://svn.apache.org/viewvc?view=revision&revision=1578812 x_refsource_CONFIRM
- http://svn.apache.org/viewvc?view=revision&revision=1578814 x_refsource_CONFIRM
- http://svn.apache.org/viewvc?view=revision&revision=1580473 x_refsource_CONFIRM
- http://tomcat.apache.org/security-6.html x_refsource_CONFIRMVendor Advisory
- http://tomcat.apache.org/security-7.html x_refsource_CONFIRMVendor Advisory
- http://tomcat.apache.org/security-8.html x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21678231 x_refsource_CONFIRM
- http://www-01.ibm.com/support/docview.wss?uid=swg21680603 x_refsource_CONFIRM
- http://www-01.ibm.com/support/docview.wss?uid=swg21681528 x_refsource_CONFIRM
- http://www.debian.org/security/2016/dsa-3447 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2016/dsa-3530 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:052 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:053 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:084 vendor-advisoryx_refsource_MANDRIVA
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html x_refsource_CONFIRM
- http://www.securityfocus.com/archive/1/532218/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/532221/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/534161/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/67668 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030302 vdb-entryx_refsource_SECTRACK
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2014-0099 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1102030 Issue Tracking
- https://github.com/advisories/GHSA-xh5x-j8jf-pcpx Advisory
- https://github.com/apache/tomcat/commit/184cdc0d3f03f5737e12d21fff246d7285034597
- https://github.com/apache/tomcat/commit/fffd63a3bd3a5475379b7c074820a5463b7663b3
- https://github.com/apache/tomcat80/commit/990de53ab923c126f7402090a4ca53df4bb80cbd
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013 x_refsource_CONFIRM
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b@%3Cdev.tomcat.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2014-0099
- https://www.cve.org/CVERecord?id=CVE-2014-0099
Change history (0)
No recorded changes yet.