Description
The dropbearconvert command in Dropbear SSH before 2016.74 allows attackers to execute arbitrary code via a crafted OpenSSH key file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dropbear | 2016.74-1 | — |
| Debian 13 | dropbear | 2016.74-1 | — |
| Debian 12 | dropbear | 2016.74-1 | — |
| Debian 7 | dropbear | 2012.55-1.3+deb7u1 | DLA-634-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | dropbear | No fix yet | — |
Advisories 2
- DLA-634-1 dropbear - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SCA-2022-0007 Vulnerabilities in SICK MARSIC300 SICK PSIRT · Apr 21, 2022