Bug#1117529: openssh: CVE-2025-61984

Salvatore Bonaccorso <[email protected]>
Newsgroups gmane.linux.debian.devel.ssh
Message-ID <175982342872.94514.12644459819644824562.reportbug__40788.0257860356$1759823500$gmane$org@eldamar.lan>
Source: openssh
Version: 1:10.0p1-8
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for openssh.

CVE-2025-61984[0]:
| ssh in OpenSSH before 10.1 allows control characters in usernames
| that originate from certain possibly untrusted sources, potentially
| leading to code execution when a ProxyCommand is used. The untrusted
| sources are the command line and %-sequence expansion of a
| configuration file. (A configuration file that provides a complete
| literal username is not categorized as an untrusted source.)

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-61984
    https://www.cve.org/CVERecord?id=CVE-2025-61984

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
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