What’s Vulnerable › Vulnerabilities

CVE-2021-30942

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-24 · updated 2026-06-17
• Weakness: CWE-787

Description

Description: A memory corruption issue in the processing of ICC profiles was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 15.2 — fixed in 15.2
• Apple Iphone Os: before 15.2 — fixed in 15.2
• macOS: from 10.15 before 10.15.7; 10.15.7, 10.15.7-security_update_2020-001, 10.15.7-security_update_2021-001, 10.15.7-security_update_2021-002, 10.15.7-security_update_2021-003, 10.15.7-security_update_2021-004 (+3) — fixed in 10.15.7
• Apple macOS: from 11.0 before 11.6.2; from 12.0 before 12.1 — fixed in 11.6.2, 12.1
• Apple tvOS: before 15.2 — fixed in 15.2
• Apple watchOS: before 8.3 — fixed in 8.3

How to fix

Upgrade to a fixed version: Apple iPadOS 15.2; Apple Iphone Os 15.2; macOS 10.15.7; Apple macOS 11.6.2, 12.1; Apple tvOS 15.2; Apple watchOS 8.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/165559/Apple-ColorSync-Out-Of-Bounds-Read.html
• https://support.apple.com/en-us/HT212975
• https://support.apple.com/en-us/HT212976
• https://support.apple.com/en-us/HT212978
• https://support.apple.com/en-us/HT212979
• https://support.apple.com/en-us/HT212980
• https://support.apple.com/en-us/HT212981
• http://packetstormsecurity.com/files/165559/Apple-ColorSync-Out-Of-Bounds-Read.html
• https://support.apple.com/en-us/HT212975
• https://support.apple.com/en-us/HT212976
• https://support.apple.com/en-us/HT212978
• https://support.apple.com/en-us/HT212979

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