CVE-2021-40731: Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Adobe Acrobat Reader DCto a version that resolves this vulnerability.Fixed in 21.007.20095 - Upgrade
Upgrade
Adobe Acrobat Reader DCto a version that resolves this vulnerability.Fixed in 21.007.20096 - Upgrade
Upgrade
Adobe Acrobat Reader DCto a version that resolves this vulnerability.Fixed in 20.004.30015 - Upgrade
Upgrade
Adobe Acrobat Reader DCto a version that resolves this vulnerability.Fixed in 17.011.30202
Event History
Frequently Asked Questions
What is the severity of CVE-2021-40731?
CVE-2021-40731 is rated as critical due to its potential for arbitrary code execution.
How do I fix CVE-2021-40731?
To mitigate CVE-2021-40731, upgrade your Adobe Acrobat Reader DC or Acrobat to the latest version as provided by Adobe.
What versions of Adobe Acrobat Reader DC are affected by CVE-2021-40731?
CVE-2021-40731 affects Adobe Acrobat Reader DC version 21.007.20095 and earlier, 21.007.20096 and earlier, 20.004.30015 and earlier, and 17.011.30202 and earlier.
What types of attacks can CVE-2021-40731 enable?
CVE-2021-40731 can enable attackers to execute arbitrary code on a vulnerable system by exploiting crafted JPEG2000 files.
Is CVE-2021-40731 specific to a certain operating system?
CVE-2021-40731 impacts Adobe Acrobat products and is not specific to any operating system as it affects versions across Windows and Mac.