CVE-2026-24515
Low
Description
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
SeverityLow
CVSS2.9
Exploit probability—
ProductLibexpat
PublishedJan 23, 2026
First seenJan 23, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- libexpat_project libexpat2.7.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libexpat_project libexpat | v < 2.7.4 | 2.7.4 |
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