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Microsoft Security Response CenterCVE-2026-59850

Libssh: libssh: use-after-free via data callbacks on closed channels

Mariner

Read the vendor bulletin Get alerts for azl3 libssh 0.10.6-9 on Azure Linux
4.3CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 libssh 0.10.6-9 on Azure Linux 3.0
  • azl3 libssh 0.10.6-8 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 0.10.6-9
Next step

What the vendor recommends

CBL-Mariner Releases

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-59850View CVSS, KEV, EPSS, and threat context
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