CVE-2021-28637: Adobe Acrobat Pro DC PDFLibTool Out-of-Bounds Read Remote Code Execution Vulnerability
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an out-of-bounds read vulnerability. An unauthenticated attacker could leverage this vulnerability achieve arbitrary read / write system information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-28637?
CVE-2021-28637 is classified as a critical vulnerability affecting Adobe Acrobat and Reader.
How do I fix CVE-2021-28637?
To mitigate CVE-2021-28637, update Adobe Acrobat and Reader to the latest versions provided by Adobe.
What types of attackers can exploit CVE-2021-28637?
CVE-2021-28637 can be exploited by unauthenticated attackers to read or write system information.
Which versions of Adobe Acrobat are affected by CVE-2021-28637?
CVE-2021-28637 affects Adobe Acrobat Reader DC versions up to 21.005.20054, 2020.004.30005, and 2017.011.30197.
What is an out-of-bounds read vulnerability like CVE-2021-28637?
An out-of-bounds read vulnerability, such as CVE-2021-28637, allows an attacker to access data outside the intended boundaries of a memory buffer.