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medium6.9

CVE-2026-56411

xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.

Impact

xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.

Affected products

VendorProductAffected versions
Libexpat ProjectLibexpat
before 2.8.2

Weakness classification

References