CVE-2026-43818

high

Description

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Processing a maliciously crafted image may lead to arbitrary code execution.

References

https://support.apple.com/en-us/128072

https://support.apple.com/en-us/128071

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128066

Details

Source: Mitre, NVD

Published: 2026-07-27

Updated: 2026-07-27

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High