CVE-2026-24515

Summary

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

Affected Software

Weaknesses

• CWE-476: CWE-476 NULL Pointer Dereference

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://cert-portal.siemens.com/productcert/html/ssa-253495.html

References

• https://github.com/libexpat/libexpat/pull/1131

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