Debian Security Advisory

DSA-3859-1 dropbear -- security update

Date Reported:
19 May 2017
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2017-9078, CVE-2017-9079.
More information:

Two vulnerabilities were found in Dropbear, a lightweight SSH2 server and client:

  • CVE-2017-9078

    Mark Shepard discovered a double free in the TCP listener cleanup which could result in denial of service by an authenticated user if Dropbear is running with the "-a" option.

  • CVE-2017-9079

    Jann Horn discovered a local information leak in parsing the .authorized_keys file.

For the stable distribution (jessie), these problems have been fixed in version 2014.65-1+deb8u2.

For the unstable distribution (sid), these problems will be fixed soon.

We recommend that you upgrade your dropbear packages.