High 7.8Published Oct 27, 2020

CVE-2020-9961An out-of-bounds read was addressed with improved input validation.

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects apple icloud and 6 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for apple icloud Exploited in the last 30 days

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple icloud apple:icloud	before 11.5	NVD
apple itunes apple:itunes	before 12.10.9	NVD
apple ipados apple:ipados	before 14.0	NVD
apple iphone_os apple:iphone_os	before 14.0	NVD
apple mac_os_x apple:mac_os_x	from 10.13 before 10.13.6; from 10.14 before 10.14.6; from 10.15 before 10.15.7; 10.13.6; 10.13.6; 10.13.6; 10.13.6; 10.13.6; and 20 more ranges	NVD
apple tvos apple:tvos	before 14.0	NVD
apple watchos apple:watchos	before 7.0	NVD

References

References

http://seclists.org/fulldisclosure/2020/Nov/19	mailing-list, third-party-advisory
http://seclists.org/fulldisclosure/2020/Nov/20	mailing-list, third-party-advisory
http://seclists.org/fulldisclosure/2020/Nov/21	mailing-list, third-party-advisory
http://seclists.org/fulldisclosure/2020/Nov/22	mailing-list, third-party-advisory
https://support.apple.com/en-us/HT211849	release-notes, vendor-advisory
https://support.apple.com/kb/HT211843	vendor-advisory
https://support.apple.com/kb/HT211844	vendor-advisory
https://support.apple.com/kb/HT211850	vendor-advisory
https://support.apple.com/kb/HT211935	vendor-advisory
https://support.apple.com/kb/HT211952	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.