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Alerts This Week
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Debian LTS DLA-4169-1: dropbear local command execution risk fixed

debian lts
Calendar Grey May 17, 2025
Dist Debian Esm H88
Potential vulnerability in DBclient hostname parameters of dropbear could allow for local command execution. Debian users are advised to update.
Marcin Nowak discovered that dbclient(1) hostname arguments with a comma (for multihop) are passed to the shell which could result in running arbitrary shell commands locally
Topics%20covered

Topics Covered

security advisory debian local execution arbitrary command dropbear medium threat

Summary

For Debian 11 bullseye, this problem has been fixed in version
2020.81-3+deb11u3.

We recommend that you upgrade your dropbear packages.

For the detailed security status of dropbear please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/dropbear

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
important
Lowest
Low
Medium
High
Critical

Package: dropbear
Version: 2020.81-3+deb11u3
CVE ID: CVE-2025-47203

Topics%20covered

Topics Covered

security advisory debian local execution arbitrary command dropbear medium threat

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