CVE-2021-44742: Adobe Reader Out-of-bounds Read Remote Code Execution Vulnerability
First published: Tue Jan 11 2022(Updated: )
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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 DC | >=15.008.20082<=21.007.20099 | |
| Adobe Acrobat DC | >=15.008.20082<=21.007.20099 | |
| Microsoft Windows | ||
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30204 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30017 | |
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30204 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30017 | |
| Apple macOS |
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Frequently Asked Questions
What is the severity of CVE-2021-44742?
CVE-2021-44742 is classified as a critical severity vulnerability due to its potential impact on confidentiality and integrity.
Who is impacted by CVE-2021-44742?
CVE-2021-44742 affects Adobe Acrobat Reader DC versions 21.007.20099 and earlier, as well as specific versions of Adobe Acrobat and Acrobat Reader.
How do I fix CVE-2021-44742?
To mitigate CVE-2021-44742, users should update Adobe Acrobat and Acrobat Reader to the latest version available.
What types of vulnerabilities does CVE-2021-44742 represent?
CVE-2021-44742 represents an out-of-bounds read vulnerability that can be exploited through maliciously crafted files.
What can attackers achieve by exploiting CVE-2021-44742?
By exploiting CVE-2021-44742, attackers may be able to read sensitive data past the end of allocated memory structures.
- agent/type
- agent/author
- agent/references
- agent/weakness
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/severity
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/adobe
- canonical/adobe acrobat dc
- version/adobe acrobat dc/15.008.20082
- version/adobe acrobat dc/21.007.20099
- vendor/microsoft
- canonical/microsoft windows
- canonical/adobe acrobat reader
- version/adobe acrobat reader/17.011.30059
- version/adobe acrobat reader/17.011.30204
- version/adobe acrobat reader/20.001.30005
- version/adobe acrobat reader/20.004.30017
- vendor/apple
- canonical/apple macos