CVE-2026-28956
MEDIUMiOS and iPadOS < 26.5 - Out-of-bounds Read via Maliciously Crafted Media File
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2026-28956. PoCs published by impost0r.
AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2026-28956, targeting a use-after-free (UAF) vulnerability in AppleJPEGXL. The exploit uses DYLD interposing to manipulate freed memory regions, demonstrating both register control and arbitrary read/write capabilities for Apple Security Bounty (ASB) validation.
Description
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.
Exploits (1)
This repository contains a functional proof-of-concept exploit for CVE-2026-28956, targeting a use-after-free (UAF) vulnerability in AppleJPEGXL. The exploit uses DYLD interposing to manipulate freed memory regions, demonstrating both register control and arbitrary read/write capabilities for Apple Security Bounty (ASB) validation.
References (7)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H