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Δ / VULNERABILITY RECORD

CVE-2024-55549.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.8No 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

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue

Source-reported weakness categories

CWE-416

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-Mar

Open original source · Updated Aug 12, 2026

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue

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

Microsoft maximum product score: 7.8

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 libxslt 1.1.43-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 libxslt 1.1.34-8 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 libxslt 1.1.34-8 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 libxslt 1.1.39-1 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 1.1.43-1 · product IDs 17469-17084, 20197-17084
  • Vendor guidance · product IDs 17469-17084, 20197-17084
  • CBL-Mariner Releases · build 1.1.34-8 · product IDs 20191-17086, 20191-21692
  • Vendor guidance · product IDs 20191-17086, 20191-21692

Original records & references

PUBLISHED 2025-03-24T20:00:00-04:00
MODIFIED 2026-08-12T18:07:21-04:00
INGESTED 2026-10-08T12:50:09-04:00