CVE-2016-7406

Name: CVE-2016-7406
Creator: NVD / NIST
Published: 2017-03-03T16:59:00.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 10.49%

Last modified Jun 17, 2026

CVE-2016-7406 is a vulnerability of currently unknown severity. Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.. EPSS estimates a 10.49% chance of exploitation in the next 30 days.

Description

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

Metrics

EPSS Probability

10.49%

95.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Dropbear Ssh Project	Dropbear Ssh	<= 2016.73

References

http://www.openwall.com/lists/oss-security/2016/09/15/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/92974Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1376353Issue Tracking
https://secure.ucc.asn.au/hg/dropbear/rev/b66a483f3dcbIssue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201702-23Patch, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2024/Aug/35
http://www.openwall.com/lists/oss-security/2016/09/15/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/92974Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1376353Issue Tracking
https://secure.ucc.asn.au/hg/dropbear/rev/b66a483f3dcbIssue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201702-23Patch, Third Party Advisory, VDB Entry

Timeline

Published: Mar 3, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-7406?

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

How severe is CVE-2016-7406?

Severity scoring for CVE-2016-7406 is pending analysis. The EPSS model estimates a 10.49% probability of exploitation in the next 30 days.

How do I fix CVE-2016-7406?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7406?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST