OpenSSL security advisory (AV26-980)

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        <div><p><strong>Serial number: </strong>AV26-980<br /><strong>Date: </strong>October 1, 2026</p>

As of September 29, 2026, OpenSSL is affected by vulnerabilities in the following product:

  • OpenSSL
    • Prior to 1.0.2zs
    • Prior to 1.1.1zj
    • Prior to 3.0.23
    • Prior to 3.4.8
    • Prior to 3.5.9
    • Prior to 3.6.5
    • Prior to 4.0.3

The Cyber Centre encourages users and administrators to review the provided web link and apply any necessary updates as they become available.

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Article Link: OpenSSL security advisory (AV26-980) - Canadian Centre for Cyber Security