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JLSEC-2025-47 High 8.8

lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

Source Edit History OSV JSON (OSV)

JLSEC Published: Oct 14, 2025
Modified: Jul 17, 2026
Severity: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Packages: Expat_jll < 2.4.4+0
Upstream: CVE-2022-22825

lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

References