CVE-2021-44740— Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
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I. Basic Information for CVE-2021-44740
Vulnerability Information
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Vulnerability Title
Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat and Reader DC 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat and Reader DC是美国Adobe公司的有一个PDF创建程序。提供了一个PDF 创建程序。 Adobe Acrobat and Reader 存在代码问题漏洞，该漏洞源于 NULL 指针取消引用错误。远程攻击者可以诱骗受害者打开特制的 PDF 文件并执行拒绝服务 (DoS) 攻击。
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 ~ 21.007.20099 | - |
II. Public POCs for CVE-2021-44740
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://helpx.adobe.com/security/products/acrobat/apsb22-01.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-44740
Same Patch Batch · Adobe · 2022-01-14 · 31 CVEs total
| CVE-2021-44708 | 7.8 HIGH | Adobe Acrobat Pro DC Heap Overflow could lead to Arbitrary code execution |
| CVE-2021-44710 | 7.8 HIGH | Adobe Acrobat Reader Use-after-free could lead to Arbitrary code execution |
| CVE-2021-44704 | 7.8 HIGH | Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution |
| CVE-2021-44705 | 7.8 HIGH | Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution |
| CVE-2021-44703 | 7.8 HIGH | Adobe Acrobat Pro DC Stack Overflow Vulnerability Arbitrary code execution |
| CVE-2021-44709 | 7.8 HIGH | Adobe Acrobat Pro DC Heap Overflow Vulnerability could lead to Arbitrary code execution |
| CVE-2021-44711 | 7.8 HIGH | Adobe Acrobat Reader DC annotation gestures integer overflow vulnerability |
| CVE-2021-44707 | 7.8 HIGH | Adobe Acrobat Reader DC OTF Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnera |
| CVE-2021-44706 | 7.8 HIGH | Adobe Acrobat Reader Collab.registerReview Use-After-Free Remote Execution Vulnerability |
| CVE-2021-45067 | 5.5 MEDIUM | Adobe Acrobat Reader Memory Corruption could lead to Information Disclosure |
| CVE-2021-44712 | 5.5 MEDIUM | Adobe Acrobat Reader Memory Corruption could lead to Application denial-of-service |
| CVE-2021-44713 | 5.5 MEDIUM | Adobe Acrobat Reader DC Use After Free could lead to Application denial-of-service |
| CVE-2021-44741 | 3.3 LOW | Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service |
| CVE-2021-44715 | 3.3 LOW | Adobe Acrobat Reader DC Out-of-Bounds Read Information Disclosure Vulnerability |
| CVE-2021-44742 | 3.3 LOW | Adobe Reader Out-of-bounds Read Remote Code Execution Vulnerability |
| CVE-2021-43752 | 3.3 LOW | Adobe Illustrator TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability |
| CVE-2021-45051 | 3.3 LOW | Adobe Bridge JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability |
| CVE-2021-45052 | 3.3 LOW | Adobe Bridge TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability |
| CVE-2021-44714 | 2.5 LOW | Adobe Acrobat Reader Missing Custom Protocols in Warning Message Prompts |
| CVE-2021-44739 | Adobe Acrobat Reader DC add-on (AxAcroPDFLib.AxAcroPDF) src NTLMv2 SSO Auth leak vulnerabi |
Showing top 20 of 31 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
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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-476
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Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
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V. Comments for CVE-2021-44740
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