CVE-2021-21044: Acrobat Reader DC Out-Of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a crafted jpeg file. An unauthenticated attacker could leverage this vulnerability to achieve 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-21044?
CVE-2021-21044 is classified as critical due to the potential for an unauthenticated attacker to execute arbitrary code.
How do I fix CVE-2021-21044?
To fix CVE-2021-21044, update Adobe Acrobat Reader DC to the latest version that addresses this vulnerability.
Which versions of Adobe Acrobat are affected by CVE-2021-21044?
Adobe Acrobat Reader DC versions 2020.013.20074 and earlier, as well as other specified versions, are affected by CVE-2021-21044.
Can CVE-2021-21044 affect multiple operating systems?
CVE-2021-21044 primarily affects Adobe Acrobat software, not operating systems directly.
What type of vulnerability is CVE-2021-21044?
CVE-2021-21044 is an Out-of-bounds Write vulnerability that occurs when processing specially crafted JPEG files.