High severity7.8NVD Advisory· Published Oct 16, 2020· Updated Jun 17, 2026

CVE-2020-9936

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Processing a maliciously crafted image may lead to arbitrary code execution.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Catalinallm-fuzzy
Range: <10.15.6
Apple Inc./iOSllm-fuzzy2 versions
<13.6+ 1 more
- (no CPE)range: <13.6
- (no CPE)range: unspecified
Apple Inc./iCloud for Windowsllm-fuzzy3 versions
(expand)+ 2 more
- (no CPE)
- (no CPE)range: unspecified
- (no CPE)range: unspecified
Apple Inc./tvOSv5
Range: unspecified
Apple Inc./macOSv5
Range: unspecified
Apple Inc./watchOSv5
Range: unspecified
Apple Inc./iTunes for Windowscpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/HT211288nvdRelease NotesVendor Advisory
support.apple.com/HT211289nvdRelease NotesVendor Advisory
support.apple.com/HT211290nvdRelease NotesVendor Advisory
support.apple.com/HT211291nvdRelease NotesVendor Advisory
support.apple.com/HT211293nvdRelease NotesVendor Advisory
support.apple.com/HT211294nvdRelease NotesVendor Advisory
support.apple.com/HT211295nvdRelease NotesVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000