Adobe Digital Editions versions 4.5.4 and earlier have an exploitable memory corruption vulnerability in the PDF imaging model. Successful exploitation could lead to arbitrary code execution.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
6.2% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)