Adobe · Acrobat and Reader
CVE-2023-21608
Adobe Acrobat Reader DC resetForm Use-After-Free Remote Code Execution Vulnerability
What it is
Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CISA: Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Deadline for US federal agencies: October 31, 2023
- Added to the CISA list
- October 10, 2023
- Published
- January 18, 2023
- Severity
- High 7.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 59% in the top 0.9% of all known vulnerabilities
- Weakness
- CWE-416
- More details
- NVD · CVE.org · CISA
All references (1)
More exploited flaws from Adobe
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 20, 2026 | Heap-Based Buffer Overflow | Acrobat and Reader | High 8.8 | 87% |
| Apr 13, 2026 | Prototype Pollution | Acrobat and Reader | High 8.6 | 7.2% |
| Sep 14, 2023 | Out-of-Bounds Write | Acrobat and Reader | High 7.8 | 6.7% |
| Jun 8, 2022 | Buffer Overflow | Acrobat and Reader | High 7.8 | 87% |
| Jun 8, 2022 | Unspecified | Acrobat and Reader | High 8.8 | 38% |
| Jun 8, 2022 | Universal 3D Remote Code Execution | Acrobat and Reader | High 8.8 | 83% |
| Jun 8, 2022 | Use-After-Free | Acrobat and Reader | High 7.8 | 82% |
| Jun 8, 2022 | Stack-Based Buffer Overflow | Acrobat and Reader | High 7.3 | 81% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.