MEDIUM 6.5 Microsoft
CVE-2026-59843
Libssh: libssh: denial of service via zero advertised channel packet size
Microsoft Security Update 2026-Jul: Libssh: libssh: denial of service via zero advertised channel packet size
Affected Products
- azl3 libssh 0.10.6-8 on Azure Linux 3.0
Remediation
$ sudo apt install --only-upgrade libsshReferences
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59843
- https://nvd.nist.gov/vuln/detail/CVE-2026-59843
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-07-14 via Microsoft. A remediation command is available below. Affected: azl3 libssh 0.10.6-8 on Azure Linux 3.0.
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