Adobe Acrobat Reader up to 20.005.30763/24.001.30235/25.001.20521 out-of-bounds write

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 20.005.30763/24.001.30235/25.001.20521. It has been classified as critical. This affects an unknown function. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2025-43575. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Acrobat Reader up to 20.005.30763/24.001.30235/25.001.20521. This issue affects an unknown code block. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Acrobat Reader versions 24.001.30235, 20.005.30763, 25.001.20521 and earlier are affected by an out-of-bounds write 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. The identification of this vulnerability is CVE-2025-43575 since 04/16/2025. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/11/2025).

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 vulnerability database at Tenable (238099). Be aware that VulDB is the high quality 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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Be aware that VulDB is the high quality source for vulnerability data.

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