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Δ / VULNERABILITY RECORD

CVE-2025-49795.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Aug 12, 2026

Disclosure summary

Libxml: null pointer dereference leads to denial of service (dos)

Source-reported weakness categories

CWE-825

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-Jun

Open original source · Updated Aug 12, 2026

Libxml: null pointer dereference leads to denial of service (dos)

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

Microsoft maximum product score: 7.5

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 libxml2 2.10.4-8 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 libxml2 2.11.5-6 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 libxml2 2.11.5-7 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 libxml2 2.10.4-9 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 libxml2 2.10.4-9 on CBL Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 2.10.4-9 · product IDs 20212-17086, 20604-21692, 20604-17086
  • Vendor guidance · product IDs 20212-17086, 20604-21692, 20604-17086
  • CBL-Mariner Releases · build 2.11.5-7 · product IDs 19618-17084, 20622-17084
  • Vendor guidance · product IDs 19618-17084, 20622-17084

Original records & references

PUBLISHED 2025-09-03T23:44:32-04:00
MODIFIED 2026-08-12T20:09:55-04:00
INGESTED 2026-10-08T12:50:04-04:00