What is CVE-2025-12385?

CVE-2025-12385 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Improper validation of \u003cimg\u003e tag size in Text component parser

Which CVE IDs does CVE-2025-12385 cover?

CVE-2025-12385 covers the following CVE IDs: CVE-2025-12385. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2025-12385?

CVE-2025-12385 affects 3 products, including: azl3 qtdeclarative 6.6.1-1 on Azure Linux 3.0; cbl2 qt5-qtbase 5.12.11-18 on CBL Mariner 2.0; cbl2 qt5-qtdeclarative 5.12.5-5 on CBL Mariner 2.0.

CVE-2025-12385High

Improper validation of <img> tag size in Text component parser

Vendor

Microsoft Security Response Center (MSRC)

Published

December 6, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-12385 →

🎯 Affected products3

azl3 qtdeclarative 6.6.1-1 on Azure Linux 3.0
cbl2 qt5-qtbase 5.12.11-18 on CBL Mariner 2.0
cbl2 qt5-qtdeclarative 5.12.5-5 on CBL Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 6.6.1-2 KBCBL-Mariner Releases (Security Update) — fixed build 5.12.5-6

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-12385
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade