| Name | CVE-2017-9078 |
| Description | The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3859-1 |
| Debian Bugs | 862970 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dropbear (PTS) | bullseye | 2020.81-3+deb11u2 | fixed |
| bullseye (security) | 2020.81-3+deb11u3 | fixed |
| bookworm | 2022.83-1+deb12u2 | fixed |
| trixie | 2025.87-1 | fixed |
| sid | 2025.88-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[wheezy] - dropbear <not-affected> (Vulnerable code not present)
Patch: https://hg.ucc.asn.au/dropbear/rev/c8114a48837c