What is CVE-2025-12105?

CVE-2025-12105 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Libsoup: heap use-after-free in libsoup message queue handling during http/2 read completion

Which CVE IDs does CVE-2025-12105 cover?

CVE-2025-12105 covers the following CVE IDs: CVE-2025-12105. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-12105?

CVE-2025-12105 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-12105?

CVE-2025-12105 affects 1 product, including: azl3 libsoup 3.4.4-10 on Azure Linux 3.0.

CVE-2025-12105HighCVSS 7.5

Libsoup: heap use-after-free in libsoup message queue handling during http/2 read completion

Vendor

Microsoft Security Response Center (MSRC)

Published

December 21, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-12105 →

🎯 Affected products1

azl3 libsoup 3.4.4-10 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 3.4.4-11

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-12105
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade