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Δ / VULNERABILITY RECORD

CVE-2025-8291.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 4.3No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Oct 09, 2025

Disclosure summary

ZIP64 End of Central Directory (EOCD) Locator record offset not checked

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-Oct

Open original source · Updated Oct 09, 2025

ZIP64 End of Central Directory (EOCD) Locator record offset not checked

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

Microsoft maximum product score: 4.3

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 python3 3.12.9-5 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 python3 3.9.19-16 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 python3 3.12.9-4 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 python3 3.9.19-14 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 python3 3.9.19-15 on CBL Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 3.12.9-5 · product IDs 20557-17084, 19968-17084
  • Vendor guidance · product IDs 20557-17084, 19968-17084
  • CBL-Mariner Releases · build 3.9.19-16 · product IDs 20603-17086, 20528-17086
  • Vendor guidance · product IDs 20603-17086, 20528-17086

Original records & references

PUBLISHED 2025-10-09T21:02:05-04:00
MODIFIED 2025-10-09T21:02:05-04:00
INGESTED 2026-10-08T12:45:38-04:00