What is CVE-2025-61143?

CVE-2025-61143 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c.

Which CVE IDs does CVE-2025-61143 cover?

CVE-2025-61143 covers the following CVE IDs: CVE-2025-61143. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-61143?

CVE-2025-61143 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-61143?

CVE-2025-61143 affects 2 products, including: azl3 libtiff 4.6.0-11 on Azure Linux 3.0; cbl2 libtiff 4.6.0-11 on CBL Mariner 2.0.

CVE-2025-61143MediumCVSS 5.5

libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c.

Vendor

Microsoft Security Response Center (MSRC)

Published

February 26, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-61143 →

🎯 Affected products2

azl3 libtiff 4.6.0-11 on Azure Linux 3.0
cbl2 libtiff 4.6.0-11 on CBL Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 4.6.0-12

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-61143
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade