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JLSEC-2025-63

An issue was discovered in libexpat before 2.6.3

JLSEC Published
Modified
Affected Packages
Expat_jll < 2.6.4+0
Aliases / Upstream
CVE-2024-45491

An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINTMAX equals SIZEMAX).

References