CVE-2021-39844— Adobe Acrobat Reader CalRGB Out-of-Bounds Read Vulnerability
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I. Basic Information for CVE-2021-39844
Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader CalRGB Out-of-Bounds Read Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat和Adobe Reader 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat和Adobe Reader都是美国奥多比（Adobe）公司的产品。Adobe Acrobat是一套PDF文件编辑和转换工具。Adobe Reader是一套PDF文档阅读软件。 Adobe Acrobat 和 Reader存在缓冲区错误漏洞，远程攻击者可以创建一个特制的 PDF 文件，诱使受害者打开它，触发越界读取错误并读取系统内存中的内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Acrobat Reader | unspecified ~ DC 2021 July | - |
II. Public POCs for CVE-2021-39844
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-39844
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- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-39844
Same Patch Batch · Adobe · 2021-09-29 · 41 CVEs total
| CVE-2021-39831 | 7.8 HIGH | Adobe FrameMaker PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2021-39863 | 7.8 HIGH | Adobe Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary C |
| CVE-2021-40715 | 7.8 HIGH | Adobe Premiere Pro 2021 EXR File Parsing Leads to Memory Corruption |
| CVE-2021-39843 | 7.8 HIGH | Adobe Acrobat Reader XObject Out-of-Bound Write Vulnerability |
| CVE-2021-40708 | 7.3 HIGH | Adobe Genuine Service Installer Privilege Escalation Vulnerability |
| CVE-2021-39856 | 6.5 MEDIUM | Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via LoadFile |
| CVE-2021-39855 | 6.5 MEDIUM | Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via src Parameter |
| CVE-2021-39846 | 6.1 MEDIUM | Adobe Acrobat Reader /Parent Property Recursive Stack Overflow |
| CVE-2021-39845 | 6.1 MEDIUM | Adobe Acrobat Reader Page Tree Node Recursive Stack Overflow |
| CVE-2021-39861 | 5.5 MEDIUM | Adobe Acrobat Reader DC Catalog Plugin Out-of-Bounds Read Bug |
| CVE-2021-39852 | 5.5 MEDIUM | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Servi |
| CVE-2021-39850 | 5.5 MEDIUM | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Servi |
| CVE-2021-39851 | 5.5 MEDIUM | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Servi |
| CVE-2021-39849 | 5.5 MEDIUM | Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Servi |
| CVE-2021-39860 | 5.5 MEDIUM | Adobe Acrobat Reader DC Search Plugin Null Pointer Dereference |
| CVE-2021-39836 | Adobe Acrobat Reader DC AcroForm buttonGetIcon Use-After-Free Remote Code Execution Vulner | |
| CVE-2021-39832 | Adobe FrameMaker PDF File Parsing Memory Corruption Remote Code Execution Vulnerability | |
| CVE-2021-39835 | Adobe FrameMaker PDF File Parsing Use-After-Free Information Disclosure Vulnerability | |
| CVE-2021-39837 | Adobe Acrobat Reader DC AcroForm deleteItemAt Use-After-Free Remote Code Execution Vulnera | |
| CVE-2021-39839 | Adobe Acrobat Reader DC AcroForm getItemAt Use-After-Free Remote Code Execution Vulnerabil |
Showing top 20 of 41 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Acrobat Reader
- CVE-2026-34622
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34626
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-27221
Acrobat Reader | Improper Certificate Validation (CWE-295) - CVE-2026-27278
Acrobat Reader | Use After Free (CWE-416)
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2021-39844
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