HIGH 7.5 Microsoft
CVE-2026-30922
pyasn1 Vulnerable to Denial of Service via Unbounded Recursion
Microsoft Security Update 2026-Mar: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion
Affected Products
- azl3 python-pyasn1 0.4.8-1 on Azure Linux 3.0
- cbl2 python-pyasn1 0.4.8-1 on CBL Mariner 2.0
- azl3 python-pyasn1 0.4.8-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-30922
- https://nvd.nist.gov/vuln/detail/CVE-2026-30922
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-03-10 via Microsoft. Affected: azl3 python-pyasn1 0.4.8-1 on Azure Linux 3.0, cbl2 python-pyasn1 0.4.8-1 on CBL Mariner 2.0, azl3 python-pyasn1 0.4.8-2 on Azure Linux 3.0.
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