What is CVE-2026-78127?

CVE-2026-78127 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.

Which CVE IDs does CVE-2026-78127 cover?

CVE-2026-78127 covers the following CVE IDs: CVE-2026-78127. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-78127?

CVE-2026-78127 has a CVSS v3 base score of 3.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-78127?

CVE-2026-78127 affects 1 product, including: azl3 strongswan 5.9.14-10 on Azure Linux 3.0.

CVE-2026-78127LowCVSS 3.7

libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.

Vendor

Microsoft Security Response Center (MSRC)

Published

September 12, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-78127 →

🎯 Affected products1

azl3 strongswan 5.9.14-10 on Azure Linux 3.0

✅ Remediation

Security Update — fixed build 5.9.14-11

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78127
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade