CVE-2023-21586: Acrobat Reader | NULL Pointer Dereference (CWE-476)
First published: Wed Dec 18 2024(Updated: )
Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a NULL Pointer Dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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 | <22.003.20282<22.003.20281<20.005.30418 | |
| All of | ||
| Microsoft Windows | ||
| Any of | ||
| Adobe Acrobat | >=15.008.20082<=22.003.20282 | |
| Adobe Acrobat Reader | >=15.008.20082<=22.003.20282 | |
| All of | ||
| Apple iOS and macOS | ||
| Any of | ||
| Adobe Acrobat | >=15.008.20082<=22.003.20281 | |
| Adobe Acrobat Reader | >=15.008.20082<=22.003.20281 | |
| All of | ||
| Any of | ||
| Apple iOS and macOS | ||
| Microsoft Windows | ||
| Any of | ||
| Adobe Acrobat Reader | >=20.001.30005<=20.005.30418 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.005.30418 |
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Frequently Asked Questions
What is the severity of CVE-2023-21586?
CVE-2023-21586 has a high severity as it allows unauthenticated attackers to achieve application denial-of-service.
How do I fix CVE-2023-21586?
To fix CVE-2023-21586, update Adobe Acrobat Reader to version 22.003.20283 or later.
What versions of Adobe Acrobat Reader are affected by CVE-2023-21586?
Adobe Acrobat Reader versions 22.003.20282, 22.003.20281, and 20.005.30418 and earlier are affected by CVE-2023-21586.
Can CVE-2023-21586 be exploited remotely?
Yes, CVE-2023-21586 can be exploited remotely by unauthenticated attackers.
What kind of vulnerability is CVE-2023-21586?
CVE-2023-21586 is a NULL Pointer Dereference vulnerability.
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- vendor/adobe
- canonical/adobe acrobat reader
- vendor/microsoft
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- canonical/adobe acrobat
- version/adobe acrobat/15.008.20082
- version/adobe acrobat/22.003.20282
- version/adobe acrobat reader/15.008.20082
- version/adobe acrobat reader/22.003.20282
- vendor/apple
- canonical/apple ios and macos
- version/adobe acrobat/22.003.20281
- version/adobe acrobat reader/22.003.20281
- version/adobe acrobat reader/20.001.30005
- version/adobe acrobat reader/20.005.30418