CVE-2020-9847

HIGH
8.6
CVSS Score
Published: June 9, 2020 at 04:17 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
1 product affected across 1 vendormacOS

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Severity
HIGH8.6
Exploit prediction
EPSS 0.7%

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to break out of its sandbox.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.15.5v < macOS Catalina 10.15.5
Affected range stops below 10.15.5, so it looks safe — our inference, not a vendor statement
Affected range stops below macOS Catalina 10.15.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
https://support.apple.com/HT211170

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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