Vulnerability Description
Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat | >= 17.0, <= 17.011.30188 |
| Adobe | Acrobat Dc | <= 20.013.20074 |
| Adobe | Acrobat Reader | >= 17.0, <= 17.011.30188 |
| Adobe | Acrobat Reader Dc | <= 20.013.20074 |
| Apple | Macos | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-09.htmlVendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-09.htmlVendor Advisory
FAQ
What is CVE-2021-21042?
CVE-2021-21042 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary ...
How severe is CVE-2021-21042?
CVE-2021-21042 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21042?
Check the references section above for vendor advisories and patch information. Affected products include: Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader, Adobe Acrobat Reader Dc, Apple Macos.