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CVE-2024-40777

MEDIUM
5.5
CVSS Score
Published: July 29, 2024 at 10:17 PM UTC
Updated: June 17, 2026 at 07:46 AM UTC
6 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity
MEDIUM5.5
Exploit prediction
EPSS 8%
SSVC
No known exploit

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing a maliciously crafted file may lead to unexpected app termination.

Affected

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

iPadOS· Apple
95%
v < 17.6
Affected range stops below 17.6, so it looks safe — our inference, not a vendor statement
iPhone OS· Apple
95%
v < 17.6
Affected range stops below 17.6, so it looks safe — our inference, not a vendor statement
macOS· Apple
95%
v < 14.614.0 ≤ v < 14.614.0
Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement
tvOS· Apple
95%
v < 17.6
Affected range stops below 17.6, so it looks safe — our inference, not a vendor statement
visionOS· Apple
95%
v < 1.3
Affected range stops below 1.3, so it looks safe — our inference, not a vendor statement
watchOS· Apple
95%
v < 10.6
Affected range stops below 10.6, 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 (20)

Mailing List
Source: [email protected]
http://seclists.org/fulldisclosure/2024/Jul/16
Mailing List
Source: [email protected]
http://seclists.org/fulldisclosure/2024/Jul/18
Mailing List
Source: [email protected]
http://seclists.org/fulldisclosure/2024/Jul/21
Mailing List
Source: [email protected]
http://seclists.org/fulldisclosure/2024/Jul/22
Mailing List
Source: [email protected]
http://seclists.org/fulldisclosure/2024/Jul/23
Vendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT214117
Vendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT214119
Vendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT214122

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787CWE-125

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