What is CVE-2026-33891?

CVE-2026-33891 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Forge has Denial of Service via Infinite Loop in BigInteger.modInverse() with Zero Input

Which CVE IDs does CVE-2026-33891 cover?

CVE-2026-33891 covers the following CVE IDs: CVE-2026-33891. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-33891?

CVE-2026-33891 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-33891?

CVE-2026-33891 affects 2 products, including: azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0; cbl2 reaper 3.1.1-22 on CBL Mariner 2.0.

CVE-2026-33891HighCVSS 7.5

Forge has Denial of Service via Infinite Loop in BigInteger.modInverse() with Zero Input

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-33891 →

🎯 Affected products2

azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
cbl2 reaper 3.1.1-22 on CBL Mariner 2.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33891