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Vulnerability record · CVE-2016-6808 · published 12 April 2017

CVE-2016-6808: Apache tomcat jk connector memory buffer overflow vulnerability

Apache · Tomcat Jk Connector

Buffer overflow in Apache Tomcat Connectors (mod_jk) before 1.2.42.

9.8 CVSS 3.0 Critical EPSS 23% · top 2.3% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
30References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Buffer overflow in Apache Tomcat Connectors (mod_jk) before 1.2.42.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/139071/Apache-Tomcat-JK-ISAPI-Connector-1.2.41-Buffer-Overflow.html ExploitMitigationThird Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2957.html Third Party Advisory
http://seclists.org/fulldisclosure/2016/Oct/44 Mailing ListThird Party Advisory
http://tomcat.apache.org/security-jk.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/10/06/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/93429 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036969 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:0193 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0194 Third Party Advisory
https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c%40%3Cdev.tomcat.apache.or
https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.or
http://packetstormsecurity.com/files/139071/Apache-Tomcat-JK-ISAPI-Connector-1.2.41-Buffer-Overflow.html ExploitMitigationThird Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2957.html Third Party Advisory
http://seclists.org/fulldisclosure/2016/Oct/44 Mailing ListThird Party Advisory
http://tomcat.apache.org/security-jk.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/10/06/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/93429 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036969 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:0193 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0194 Third Party Advisory
https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org
https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c%40%3Cdev.tomcat.apache.or
https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.or

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Source: NIST National Vulnerability Database (record CVE-2016-6808), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.