CVE-2026-91817
6.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Summary
A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.2 and earlier | affected |
| Foxit Software Inc. | Foxit PDF Editor | Versions 14.0.7 and earlier | affected |
| Foxit Software Inc. | Foxit PDF Editor | Versions 13.2.6 and earlier | affected |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.2 and earlier | affected |
Weaknesses
- CWE-125: Out-of-bounds Read (CWE-125)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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