CVE-2021-1737

moderate-risk
Published 2021-04-02

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.

Do I need to act?

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0.27% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Apple

References (4)

Vendor Advisory https://support.apple.com/en-us/HT212147
Vendor Advisory https://support.apple.com/kb/HT212146
Vendor Advisory https://support.apple.com/en-us/HT212147
Vendor Advisory https://support.apple.com/kb/HT212146
45
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 20/34 · Moderate