MEDIUM 5.3 Microsoft
CVE-2025-54126
WebAssembly Micro Runtime's `--addr-pool` option allows all IPv4 addresses when subnet mask is not specified
Microsoft Security Update 2025-Jul: WebAssembly Micro Runtime's `--addr-pool` option allows all IPv4 addresses when subnet mask is not specified
Affected Products
- azl3 fluent-bit 3.1.9-4 on Azure Linux 3.0
- cbl2 fluent-bit 3.0.6-2 on CBL Mariner 2.0
- cbl2 fluent-bit 3.0.6-3 on CBL Mariner 2.0
- azl3 fluent-bit 3.1.9-5 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54126
- https://nvd.nist.gov/vuln/detail/CVE-2025-54126
This medium severity vulnerability with a CVSS score of 5.3 was published on 2025-07-08 via Microsoft. Affected: azl3 fluent-bit 3.1.9-4 on Azure Linux 3.0, cbl2 fluent-bit 3.0.6-2 on CBL Mariner 2.0, cbl2 fluent-bit 3.0.6-3 on CBL Mariner 2.0 and 1 more.
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