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Microsoft Security Response CenterCVE-2026-34043

Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects

Mariner

5.9CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • cbl2 reaper 3.1.1-22 on CBL Mariner 2.0
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.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory