CVE-2026-24515

low-risk
Published 2026-01-23

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

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.9/10 Low
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Libexpat Project

References (1)

Issue Tracking https://github.com/libexpat/libexpat/pull/1131
13
/ 100
low-risk
Severity 8/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal