MEDIUM 5.1 Microsoft
CVE-2025-64713
WebAssembly Micro Runtime frame_offset_bottom array bounds overflow in fast Interpreter mode when handling GET_GLOBAL(I32) followed by if opcode
Microsoft Security Update 2026-Aug: WebAssembly Micro Runtime frame_offset_bottom array bounds overflow in fast Interpreter mode when handling GET_GLOBAL(I32) followed by if opcode
Affected Products
- cbl2 fluent-bit 3.0.6-4 on CBL Mariner 2.0
- azl3 fluent-bit 3.1.9-6 on Azure Linux 3.0
- cbl2 fluent-bit 3.0.6-4
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64713
- https://nvd.nist.gov/vuln/detail/CVE-2025-64713
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-08-06 via Microsoft. Affected: cbl2 fluent-bit 3.0.6-4 on CBL Mariner 2.0, azl3 fluent-bit 3.1.9-6 on Azure Linux 3.0, cbl2 fluent-bit 3.0.6-4.
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