The thumbnail shell extension plugin (FoxitThumbnailHndlr_x86.dll) in Foxit Reader and PhantomPDF before 8.1 on Windows allows remote attackers to cause a denial of service (out-of-bounds write and application crash) via a crafted JPEG2000 image embedded in a PDF document, aka an "Exploitable - Heap Corruption" issue.
Severity
CVSS 3.0
6.5 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)