CVE catalog
CVE-2017-6056
tomcat8 - security update
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 7.58% · Oct 25, 2026
It was discovered that a programming error in the processing of HTTPS requests in the Apache Tomcat servlet and JSP engine may result in denial of service via an infinite loop. The denial of service is easily achievable as a consequence of backporting a CVE-2016-6816 fix but not backporting the fix for Tomcat bug 57544. Distributions affected by this backporting issue include Debian (before 7.0.56-3+deb8u8 and 8.0.14-1+deb8u7 in jessie) and Ubuntu.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | tomcat7 | 14.04 | 7.0.42-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.47-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.50-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.3 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.6 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.7 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.8 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.9 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.10 | fixed |
| Ubuntu | tomcat6 | pro | 6.0.37-1 | vulnerable |
| Ubuntu | tomcat6 | pro | 6.0.39-1 | vulnerable |
| Ubuntu | tomcat6 | pro | 6.0.39-1ubuntu0.1 | vulnerable |
| Ubuntu | tomcat6 | pro | 6.0.39-1ubuntu0.1+esm1 | fixed |
| Ubuntu | tomcat7 | 14.04 | 7.0.42-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.47-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.50-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.3 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.6 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.7 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.8 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.9 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.10 | fixed |
| Debian | tomcat7 | 8 | 7.0.56-3 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u1 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u2 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u3 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u4 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u5 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u6 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u7 | vulnerable |
| Debian | tomcat7 | 8 | 7.0.56-3+deb8u8 | fixed |
| Debian | tomcat7 | 7 | 7.0.28-4 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u1 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u2 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u3 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u4 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u5 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u6 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u7 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u8 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u9 | vulnerable |
| Debian | tomcat7 | 7 | 7.0.28-4+deb7u10 | fixed |
| Debian | tomcat8 | 8 | 8.0.14-1 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u1 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u2 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u3 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u4 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u5 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u6 | vulnerable |
| Debian | tomcat8 | 8 | 8.0.14-1+deb8u7 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | tomcat7 | deb | 14.04 | 7.0.52-1ubuntu0.10 | Not reported | UBUNTU-CVE-2017-6056 | Not reported |
| Ubuntu | tomcat6 | deb | pro | 6.0.39-1ubuntu0.1+esm1 | Not reported | UBUNTU-CVE-2017-6056 | Not reported |
| Ubuntu | tomcat7 | deb | 14.04 | 7.0.52-1ubuntu0.10 | Not reported | USN-3204-1 | Not reported |
| Debian | tomcat7 | deb | 8 | 7.0.56-3+deb8u8 | Not reported | DSA-3787-1 | Not reported |
| Debian | tomcat7 | deb | 7 | 7.0.28-4+deb7u10 | Not reported | DLA-823-1 | Not reported |
| Debian | tomcat8 | deb | 8 | 8.0.14-1+deb8u7 | Not reported | DSA-3788-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://osv.dev/vulnerability/DLA-823-1]
- [https://osv.dev/vulnerability/DSA-3787-1]
- [https://osv.dev/vulnerability/DSA-3788-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-6056]
- [https://osv.dev/vulnerability/USN-3204-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-6056.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]