CVE-2021-35987: Adobe Acrobat Pro DC PDFLibTool Out-of-Bound Read
First published: Tue Jul 13 2021(Updated: )
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose 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.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe Acrobat Reader DC | >=15.008.20082<=21.005.20054 | |
| Adobe Acrobat Reader DC | >=17.011.30059<=17.011.30197 | |
| Adobe Acrobat Reader DC | >=20.001.30005<=20.004.30005 | |
| Adobe Acrobat Reader | >=15.008.20082<=21.005.20054 | |
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30197 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30005 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the severity of CVE-2021-35987?
CVE-2021-35987 is rated as a medium severity vulnerability due to its potential to disclose arbitrary memory information.
How do I fix CVE-2021-35987?
To mitigate CVE-2021-35987, users should update Adobe Acrobat Reader DC and Acrobat DC to the latest versions available.
Which versions of Adobe Acrobat Reader are affected by CVE-2021-35987?
CVE-2021-35987 affects Acrobat Reader DC versions up to 21.005.20054, 2020.004.30005, and 2017.011.30197.
Can an attacker exploit CVE-2021-35987 without authentication?
Yes, an unauthenticated attacker can exploit CVE-2021-35987 to disclose sensitive memory information.
What type of vulnerability is CVE-2021-35987 classified as?
CVE-2021-35987 is classified as an out-of-bounds read vulnerability.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/title
- agent/severity
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/adobe
- canonical/adobe acrobat reader dc
- version/adobe acrobat reader dc/15.008.20082
- version/adobe acrobat reader dc/21.005.20054
- version/adobe acrobat reader dc/17.011.30059
- version/adobe acrobat reader dc/17.011.30197
- version/adobe acrobat reader dc/20.001.30005
- version/adobe acrobat reader dc/20.004.30005
- canonical/adobe acrobat reader
- version/adobe acrobat reader/15.008.20082
- version/adobe acrobat reader/21.005.20054
- version/adobe acrobat reader/17.011.30059
- version/adobe acrobat reader/17.011.30197
- version/adobe acrobat reader/20.001.30005
- version/adobe acrobat reader/20.004.30005