Google Android BitmapImageBuffer bitmap_image_buffer.h integer overflow

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Google Android. Affected by this issue is some unknown functionality of the file bitmap_image_buffer.h of the component BitmapImageBuffer. The manipulation leads to integer overflow. This vulnerability is referenced as CVE-2026-58740. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android (affected version unknown) and classified as very critical. This issue affects an unknown functionality of the file bitmap_image_buffer.h of the component BitmapImageBuffer. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In BitmapImageBuffer of bitmap_image_buffer.h, there is a possible out-of-bounds write due to an integer overflow. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2026-58740 since 07/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 11/10/2026).

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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