The issue was resolved by not loading remote images. This issue is fixed in iOS 18.6 and iPadOS 18.6. Forwarding an email could display remote images in Mail in Lockdown Mode.
https://support.apple.com/en-us/124147
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-34696
Source: Mitre, NVD
Published: 2025-10-15
Updated: 2026-10-08
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P
Severity: Medium
Base Score: 4.7
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
EPSS: 0.00211