What is CVE-2026-78129?

CVE-2026-78129 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.

Which CVE IDs does CVE-2026-78129 cover?

CVE-2026-78129 covers the following CVE IDs: CVE-2026-78129. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-78129?

CVE-2026-78129 has a CVSS v3 base score of 5.9, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-78129?

CVE-2026-78129 affects 1 product, including: azl3 strongswan 5.9.14-10 on Azure Linux 3.0.

CVE-2026-78129MediumCVSS 5.9

strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.

Vendor

Microsoft Security Response Center (MSRC)

Published

September 12, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-78129 →

🎯 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-2026-78129
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade