Adobe Bridge up to 15.1.3/16.0.1 File integer overflow

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Bridge up to 15.1.3/16.0.1. The impacted element is an unknown function of the component File Handler. This manipulation causes integer overflow. The identification of this vulnerability is CVE-2026-21347. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Bridge up to 15.1.3/16.0.1. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is 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 can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Bridge versions 15.1.3, 16.0.1 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2026-21347 since 12/12/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/10/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Image Processing Software

Vendor

• Adobe

Name

• Bridge

Version

• 15.1.0
• 15.1.1
• 15.1.2
• 15.1.3
• 16.0.0
• 16.0.1

License

• free

Website

• Vendor: https://www.adobe.com/

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