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Microsoft Security Response CenterCVE-2026-41676

rust-openssl: Deriver::derive and PkeyCtxRef::derive can overflow short buffers on OpenSSL 1.1.1

Mariner

Read the vendor bulletin Get alerts for cbl2 rpm-ostree 2022.1-8 on CBL Mariner
HighCVSS not listedHigh severity
Scope

What the vendor says is affected

  • cbl2 rpm-ostree 2022.1-8 on CBL Mariner 2.0
  • cbl2 rust 1.72.0-15 on CBL Mariner 2.0
  • azl3 rpm-ostree 2024.4-8 on Azure Linux 3.0
  • azl3 clamav 1.5.2-1 on Azure Linux 3.0
  • azl3 rust 1.75.0-27 on Azure Linux 3.0
  • azl3 rust 1.90.0-6 on Azure Linux 3.0
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.

Vulnerabilities

CVEs named in this advisory

CVE-2026-41676View CVSS, KEV, EPSS, and threat context
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