UNKNOWN Microsoft
CVE-2026-6409
Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input
Microsoft Security Update 2026-Apr: Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input
Affected Products
- azl3 grpc 1.62.3-1 on Azure Linux 3.0
- cbl2 keras 2.11.0-3 on CBL Mariner 2.0
- azl3 mysql 8.0.45-2 on Azure Linux 3.0
- cbl2 mysql 8.0.45-3 on CBL Mariner 2.0
- cbl2 protobuf 3.17.3-5 on CBL Mariner 2.0
- azl3 pytorch 2.2.2-12 on Azure Linux 3.0
- cbl2 pytorch 2.0.0-15 on CBL Mariner 2.0
- cbl2 tensorflow 2.11.1-2 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6409
- https://nvd.nist.gov/vuln/detail/CVE-2026-6409
This unknown severity vulnerability was published on 2026-04-14 via Microsoft. Affected: azl3 grpc 1.62.3-1 on Azure Linux 3.0, cbl2 keras 2.11.0-3 on CBL Mariner 2.0, azl3 mysql 8.0.45-2 on Azure Linux 3.0 and 5 more.
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