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Description

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.

PUBLISHED Reserved 2026-01-23 | Published 2026-01-23 | Updated 2026-01-23 | Assigner mitre




LOW: 2.9CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

CWE-476 NULL Pointer Dereference

Product status

Default status
unaffected

Any version before 2.7.4
affected

References

github.com/libexpat/libexpat/pull/1131

cve.org (CVE-2026-24515)

nvd.nist.gov (CVE-2026-24515)

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