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Δ / VULNERABILITY RECORD

CVE-2025-58749.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.3No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Sep 20, 2025

Disclosure summary

WAMR runtime hangs or crashes with large memory.fill addresses in LLVM-JIT mode

Source-reported weakness categories

CWE-822

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2025-Sep

Open original source · Updated Sep 20, 2025

WAMR runtime hangs or crashes with large memory.fill addresses in LLVM-JIT mode

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 5.3

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 fluent-bit 3.0.6-4 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 fluent-bit 3.1.9-5 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 fluent-bit 3.0.6-3 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 fluent-bit 3.1.9-6 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 3.0.6-4 · product IDs 20526-17086, 20380-17086
  • Vendor guidance · product IDs 20526-17086, 20380-17086
  • CBL-Mariner Releases · build 3.1.9-6 · product IDs 20420-17084, 20573-17084
  • Vendor guidance · product IDs 20420-17084, 20573-17084

Original records & references

PUBLISHED 2025-09-20T21:03:55-04:00
MODIFIED 2025-09-20T21:03:55-04:00
INGESTED 2026-10-08T12:45:41-04:00