Adobe Acrobat Reader up to 20.005.30763/24.001.30235/25.001.20521 use after free

Summaryinfo

A vulnerability, which was classified as critical, was found in Adobe Acrobat Reader up to 20.005.30763/24.001.30235/25.001.20521. Impacted is an unknown function. Such manipulation leads to use after free. This vulnerability is referenced as CVE-2025-43550. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 20.005.30763/24.001.30235/25.001.20521. It has been rated as critical. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Acrobat Reader versions 24.001.30235, 20.005.30763, 25.001.20521 and earlier are affected by a Use After Free 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.

The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2025-43550 since 04/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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 06/12/2025).

The vulnerability scanner Nessus provides a plugin with the ID 238099 (Adobe Reader < 20.005.30774 / 25.001.20529 Multiple Vulnerabilities (APSB25-57) (macOS)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (238099) and EUVD (EUVD-2025-17826). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat Reader

Version

• 20.005.30763
• 24.001.30235
• 25.001.20521

License

• free

Website

• Vendor: https://www.adobe.com/

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Once again VulDB remains the best source for vulnerability data.

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