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CVE-2017-6056

27
FAUCET Score

CVE-2017-6056 is a denial-of-service vulnerability in Apache Tomcat's HTTPS request processing, affecting Debian and Ubuntu distributions. A programming error, stemming from an incomplete backport of a previous fix, can lead to an infinite loop. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, resulting in a complete denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
7.49%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0749 is in the 90th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

rhn.redhat.com / errata/RHSA-2017-0517.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0826.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0827.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0828.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0829.html
Third Party Advisory
bugs.debian.org / 851304
Issue TrackingThird Party Advisory
bz.apache.org / bugzilla/show_bug.cgi
Issue TrackingThird Party Advisory
lists.apache.org / thread.html/6b414817c2b0bf351138911c8c922ec5dd577ebc0b9a7f42d705752d%40%3Cissues.activemq.apache.org%3E
lists.apache.org / thread.html/ac51944aef91dd5006b8510b0bef337adaccfe962fb90e7af9c22db4%40%3Cissues.activemq.apache.org%3E
lists.debian.org / debian-security-announce/2017/msg00038.html
Third Party Advisory
lists.debian.org / debian-security-announce/2017/msg00039.html
Third Party Advisory
security.netapp.com / advisory/ntap-20180731-0002
Third Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2019-5072832.html
debian.org / security/2017/dsa-3787
Third Party Advisory
debian.org / security/2017/dsa-3788
Third Party Advisory
securityfocus.com / bid/96293
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037860
Third Party AdvisoryVDB Entry