CVE-2026-91811

Summary

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an application crash.

Affected Software

VendorProductVersion RangeStatus
Foxit Software Inc.Foxit PDF EditorVersions 2026.2 and earlieraffected
Foxit Software Inc.Foxit PDF EditorVersions 14.0.7 and earlieraffected
Foxit Software Inc.Foxit PDF EditorVersions 13.2.6 and earlieraffected
Foxit Software Inc.Foxit PDF ReaderVersions 2026.2 and earlieraffected

Weaknesses

  • CWE-787: CWE-787: Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

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

References