Apple iOS/iPadOS up to 18.7 Video File out-of-bounds write

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS and iPadOS. Affected by this issue is some unknown functionality of the component Video File Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2025-43349. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iOS and iPadOS and classified as critical. This vulnerability affects an unknown part of the component Video File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in tvOS 26, macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7 and iPadOS 18.7, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. Processing a maliciously crafted video file may lead to unexpected app termination.

The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2025-43349 since 04/16/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/16/2025).

Upgrading to version 26.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 10.15.0
• 12.4.7
• 12.5.2
• 12.5.3
• 12.7
• 13.0
• 13.0.1
• 13.1
• 13.1.1
• 13.2
• 13.3
• 13.3.1
• 13.4
• 13.4.1
• 13.5
• 13.5.1
• 13.6
• 13.7
• 14.0
• 14.2
• 14.3
• 14.4
• 14.4.1
• 14.4.2
• 14.5
• 14.5.0
• 14.5.1
• 14.6
• 14.7
• 14.7.1
• 14.8
• 15
• 15.0
• 15.0.1
• 15.0.2
• 15.1
• 15.2
• 15.2.1
• 15.3
• 15.3.1
• 15.4
• 15.4.1
• 15.5
• 15.6
• 15.6.1
• 15.7
• 15.7.1
• 15.7.4
• 16.2
• 16.3
• 16.3.1
• 16.4
• 16.4.1
• 16.5
• 16.5.1
• 16.6
• 16.6.1
• 16.7
• 16.7.2
• 16.7.3
• 16.7.6
• 17
• 17.0
• 17.0.3
• 17.1
• 17.2
• 17.3
• 17.4
• 17.4.0
• 17.5
• 17.7
• 17.7.4
• 17.7.5
• 18
• 18.0
• 18.0.1
• 18.1
• 18.2
• 18.3
• 18.3.0
• 18.3.1
• 18.4
• 18.5
• 18.6
• 18.7

License

• commercial

Website

• Vendor: https://www.apple.com/

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