What is CVE-2026-55737?

CVE-2026-55737 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Heap pointer corruption via signed/unsigned mismatch in LARGE_TUPLE_EXT decoding in erts external term format decoder

Which CVE IDs does CVE-2026-55737 cover?

CVE-2026-55737 covers the following CVE IDs: CVE-2026-55737. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-55737?

CVE-2026-55737 affects 1 product, including: azl3 erlang 26.2.5.21-4 on Azure Linux 3.0.

CVE-2026-55737Medium

Heap pointer corruption via signed/unsigned mismatch in LARGE_TUPLE_EXT decoding in erts external term format decoder

Vendor

Microsoft Security Response Center (MSRC)

Published

August 7, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-55737 →

🎯 Affected products1

azl3 erlang 26.2.5.21-4 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 26.2.5.21-3

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55737
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade