What is CVE-2026-43894?

CVE-2026-43894 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. jq: Wild stack write via signed-integer overflow in decNumber D2U() macro

Which CVE IDs does CVE-2026-43894 cover?

CVE-2026-43894 covers the following CVE IDs: CVE-2026-43894. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-43894?

CVE-2026-43894 has a CVSS v3 base score of 6.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-43894?

CVE-2026-43894 affects 3 products, including: azl3 jq 1.7.1-5 on Azure Linux 3.0; azl3 jq 1.7.1-6 on Azure Linux 3.0; azl3 jq 1.7.1-8 on Azure Linux 3.0.

CVE-2026-43894MediumCVSS 6.2

jq: Wild stack write via signed-integer overflow in decNumber D2U() macro

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-43894 →

🎯 Affected products3

azl3 jq 1.7.1-5 on Azure Linux 3.0
azl3 jq 1.7.1-6 on Azure Linux 3.0
azl3 jq 1.7.1-8 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43894
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade