CVE-2021-39858
Last modified
CVE-2021-39858 is a vulnerability of currently unknown severity. Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.. EPSS estimates a 2.38% chance of exploitation in the next 30 days.
Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat Dc | >= 20.006.20034, <= 21.005.20060 |
| Adobe | Acrobat Dc | >= 20.006.20034, <= 21.005.20058 |
| Adobe | Acrobat Reader Dc | >= 20.006.20034, <= 21.005.20060 |
| Adobe | Acrobat 2017 | >= 17.011.30158, <= 17.011.30199 |
| Adobe | Acrobat Reader 2017 | >= 17.011.30158, <= 17.011.30199 |
| Adobe | Acrobat | >= 20.001.30005, <= 20.004.30006 |
| Adobe | Acrobat Reader | >= 20.001.30005, <= 20.004.30006 |
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease Notes, Vendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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