CVE-2025-43383 - An out-of-bounds access issue was addressed with improved bounds checking

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MEDIUM

An out-of-bounds access issue was addressed with improved bounds checking

Published Nov 4, 2025

4.3

MEDIUM

CVSS 3.1

EPSS 1.00%

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Affected products

Vendor Apple Product iOS and iPadOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <18.7
- Version
  unspecified
  Status
  affected
  Constraints
  <26.1
Vendor Apple Product macOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <15.7
- Version
  unspecified
  Status
  affected
  Constraints
  <26.1
Vendor Apple Product tvOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <26.1
Vendor Apple Product visionOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <26.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Apple

iOS and iPadOS

n/a

Version	Status	Constraints
unspecified	affected	<18.7
unspecified	affected	<26.1

Apple

macOS

n/a

Version	Status	Constraints
unspecified	affected	<15.7
unspecified	affected	<26.1

Apple

tvOS

n/a

Version	Status	Constraints
unspecified	affected	<26.1

Apple

visionOS

n/a

Version	Status	Constraints
unspecified	affected	<26.1

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-125

Out-of-bounds Read

References (7)

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-37710		Advisory
https://support.apple.com/en-us/125632
https://support.apple.com/en-us/125633
https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125635
https://support.apple.com/en-us/125637
https://support.apple.com/en-us/125638

Change history (3)

Sep 23, 2026, 23:06 UTC CISA ADP
- SSVC technical impact
  changed from total to partial
Sep 22, 2026, 07:35 UTC CISA ADP
- SSVC technical impact
  changed from partial to total
Sep 22, 2026, 07:23 UTC CISA ADP
- SSVC technical impact
  changed from total to partial