CRITICAL 9.8 Microsoft
CVE-2026-55971
Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
Microsoft Security Update 2026-Jul: Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
Affected Products
- azl3 thrift 0.15.0-6 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55971
- https://nvd.nist.gov/vuln/detail/CVE-2026-55971
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-07-14 via Microsoft. Affected: azl3 thrift 0.15.0-6 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-07-14 · 110 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55971NVD / MITRE
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