Adobe InDesign Desktop up to 20.5.2/21.2 File heap-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in Adobe InDesign Desktop up to 20.5.2/21.2. This affects an unknown part of the component File Handler. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2026-27285. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe InDesign Desktop up to 20.5.2/21.2 and classified as critical. This issue affects an unknown code of the component File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application or disrupt its functionality. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The advisory is shared at helpx.adobe.com. The identification of this vulnerability is CVE-2026-27285 since 02/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/14/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Image Processing Software

Vendor

• Adobe

Name

• InDesign Desktop

Version

• 20.5.0
• 20.5.1
• 20.5.2
• 21.0
• 21.1
• 21.2

License

• commercial

Website

• Vendor: https://www.adobe.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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