Unrated severityCISA KEVNVD Advisory· Published Feb 11, 2021· Updated Oct 21, 2025
Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21017
Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. 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 products
1- Adobe/Acrobat Readerv5Range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- helpx.adobe.com/security/products/acrobat/apsb21-09.htmlmitrex_refsource_MISC
News mentions
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