CVE-2026-91817
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.
- Score
- CVSS 3.1 6.1 Medium
- Status
- Analyzed - 14984358-7092-470d-8f34-ade47a7658a2
- Published
- 2026-09-23
- Last modified
- 2026-10-01
- Weaknesses
- CWE-125
Affected products
- Pdf Editor (Foxit)
- Pdf Reader (Foxit)
- Foxit Pdf Editor (Foxit Software Inc.)
- Foxit Pdf Reader (Foxit Software Inc.)
References
- https://www.foxit.com/support/security-bulletins.html
