PT-2026-39804 · Apple · Macos Sequoia+8

Impost0R

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Published

2026-05-11

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Updated

2026-05-18

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CVE-2026-28956

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.5 iPadOS versions prior to 26.5 macOS Sequoia versions prior to 15.7.7 macOS Sonoma versions prior to 14.8.7 macOS Tahoe versions prior to 26.5 tvOS versions prior to 26.5 visionOS versions prior to 26.5 watchOS versions prior to 26.5
Description A memory corruption issue exists in AppleJPEGXL due to insufficient input validation. Processing a maliciously crafted media file can lead to corrupt process memory or unexpected application termination.
Recommendations Update iOS to version 26.5 Update iPadOS to version 26.5 Update macOS Sequoia to version 15.7.7 Update macOS Sonoma to version 14.8.7 Update macOS Tahoe to version 26.5 Update tvOS to version 26.5 Update visionOS to version 26.5 Update watchOS to version 26.5

Fix

Out of bounds Read

Memory Corruption

Weakness Enumeration

Related Identifiers

CVE-2026-28956

Affected Products

Apple Macos
Ios
Ipados
Macos Sequoia
Macos Sonoma
Macos Tahoe
Tvos
Visionos
Watchos