Description
ImageIO in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted TIFF file.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
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hansnielsen/tiffdisabler ★ 10 · Jul 20, 2016
Disables ImageIO TIFF support to protect against CVE-2016-4631
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l3onkers/FuxiOS ★ 1 · Jul 31, 2025
🎯 FuxiOS.py v2.0 - CVE-2016-4631 Exploit PoC modernizado
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1036344 vdb-entry
- APPLE-SA-2016-07-18-4 vendor-advisory
- APPLE-SA-2016-07-18-3 vendor-advisory
- APPLE-SA-2016-07-18-2 vendor-advisory
- 91834 vdb-entry
- APPLE-SA-2016-07-18-1 vendor-advisory
- http://www.talosintelligence.com/reports/TALOS-2016-0171/
- https://support.apple.com/HT206905
- https://support.apple.com/HT206903
- https://support.apple.com/HT206902
- https://support.apple.com/HT206904