# Adobe Acrobat Reader DC 21.007.20091

Adobe Acrobat Reader DC 21.007.20091, released September 9, 2021, fixes 28 CVEs in Adobe Acrobat Reader DC. None of them is reported as exploited. Patch Radar priority: High. The latest Adobe Acrobat Reader DC is 26.002.22031, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.32-bit-21.007.20091
- Platform: Windows apps
- Released: Sep 9, 2021
- Priority: High (Closes CVE-2021-39843, high severity)
- CVEs: 28, exploited: 0, on CISA KEV: 0
- Superseded by: [Adobe Acrobat Reader DC 26.002.22031](https://patchblox.com/security/data/product/windows-app/adobe-acrobat-reader-dc.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Adobe Acrobat Reader DC](https://patchblox.com/security/data/product/windows-app/adobe-acrobat-reader-dc.md) |  | 21.007.20091 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-39843](https://patchblox.com/security/data/cve/CVE-2021-39843.md) | High | Adobe Acrobat Reader XObject Out-of-Bound Write Vulnerability | 7.8 | 0.7668 |  |
| [CVE-2021-39836](https://patchblox.com/security/data/cve/CVE-2021-39836.md) | High | Adobe Acrobat Reader DC AcroForm buttonGetIcon Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.6954 |  |
| [CVE-2021-39837](https://patchblox.com/security/data/cve/CVE-2021-39837.md) | High | Adobe Acrobat Reader DC AcroForm deleteItemAt Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.6525 |  |
| [CVE-2021-39838](https://patchblox.com/security/data/cve/CVE-2021-39838.md) | High | Adobe Acrobat Reader DC AcroForm buttonGetCaption Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.6525 |  |
| [CVE-2021-39839](https://patchblox.com/security/data/cve/CVE-2021-39839.md) | High | Adobe Acrobat Reader DC AcroForm getItemAt Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.6525 |  |
| [CVE-2021-39840](https://patchblox.com/security/data/cve/CVE-2021-39840.md) | High | Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.6080 |  |
| [CVE-2021-39842](https://patchblox.com/security/data/cve/CVE-2021-39842.md) | High | Adobe Acrobat Reader DC messageHandler.OnMessage Use-After-Free Vulnerability | 7.8 | 0.1735 |  |
| [CVE-2021-39863](https://patchblox.com/security/data/cve/CVE-2021-39863.md) | High | Adobe Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution | 7.8 | 0.1319 |  |
| [CVE-2021-39841](https://patchblox.com/security/data/cve/CVE-2021-39841.md) | High | Adobe Acrobat Pro DC DocMedia Type Confusion Remote Code Execution Vulnerability | 7.8 | 0.1170 |  |
| [CVE-2021-40725](https://patchblox.com/security/data/cve/CVE-2021-40725.md) | High | Adobe Acrobat Reader DC AcroForm listbox Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.0529 |  |
| [CVE-2021-40726](https://patchblox.com/security/data/cve/CVE-2021-40726.md) | High | Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability | 7.8 | 0.0529 |  |
| [CVE-2021-35982](https://patchblox.com/security/data/cve/CVE-2021-35982.md) | High | Adobe Reader DC Windows Installer Uncontrolled Search Path element could lead to Arbitrary Code Execution | 7.3 | 0.0177 |  |
| [CVE-2021-39844](https://patchblox.com/security/data/cve/CVE-2021-39844.md) | Routine | Adobe Acrobat Reader CalRGB Out-of-Bounds Read Vulnerability | 3.3 | 0.0309 |  |
| [CVE-2021-39845](https://patchblox.com/security/data/cve/CVE-2021-39845.md) | Routine | Adobe Acrobat Reader Page Tree Node Recursive Stack Overflow | 6.1 | 0.0259 |  |
| [CVE-2021-39846](https://patchblox.com/security/data/cve/CVE-2021-39846.md) | Routine | Adobe Acrobat Reader /Parent Property Recursive Stack Overflow | 6.1 | 0.0259 |  |
| [CVE-2021-39861](https://patchblox.com/security/data/cve/CVE-2021-39861.md) | Routine | Adobe Acrobat Reader DC Catalog Plugin Out-of-Bounds Read Bug | 5.5 | 0.0254 |  |
| [CVE-2021-39857](https://patchblox.com/security/data/cve/CVE-2021-39857.md) | Routine | Adobe Acrobat Reader DC Information Disclosure via ActiveX LoadFile | 4.3 | 0.0252 |  |
| [CVE-2021-39858](https://patchblox.com/security/data/cve/CVE-2021-39858.md) | Routine | Adobe Acrobat Pro DC PostScript File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability | 3.3 | 0.0246 |  |
| [CVE-2021-39860](https://patchblox.com/security/data/cve/CVE-2021-39860.md) | Routine | Adobe Acrobat Reader DC Search Plugin Null Pointer Dereference | 5.5 | 0.0242 |  |
| [CVE-2021-39854](https://patchblox.com/security/data/cve/CVE-2021-39854.md) | Routine | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service | 5.5 | 0.0241 |  |
| [CVE-2021-39855](https://patchblox.com/security/data/cve/CVE-2021-39855.md) | Routine | Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via src Parameter | 6.5 | 0.0236 |  |
| [CVE-2021-39856](https://patchblox.com/security/data/cve/CVE-2021-39856.md) | Routine | Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via LoadFile | 6.5 | 0.0236 |  |
| [CVE-2021-39853](https://patchblox.com/security/data/cve/CVE-2021-39853.md) | Routine | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service | 5.5 | 0.0219 |  |
| [CVE-2021-39849](https://patchblox.com/security/data/cve/CVE-2021-39849.md) | Routine | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service | 5.5 | 0.0194 |  |
| [CVE-2021-39850](https://patchblox.com/security/data/cve/CVE-2021-39850.md) | Routine | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service | 5.5 | 0.0194 |  |
| [CVE-2021-39851](https://patchblox.com/security/data/cve/CVE-2021-39851.md) | Routine | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service | 5.5 | 0.0194 |  |
| [CVE-2021-39852](https://patchblox.com/security/data/cve/CVE-2021-39852.md) | Routine | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service | 5.5 | 0.0194 |  |
| [CVE-2021-39859](https://patchblox.com/security/data/cve/CVE-2021-39859.md) | Routine | Use After Free Adobe Acrobat Pro DC [HB-21-0339] | 5.5 | 0.0049 |  |

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