CVE-2021-21046— Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
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I. Basic Information for CVE-2021-21046
Vulnerability Information
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Vulnerability Title
Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat Reader 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Acrobat Reader DC 中存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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 ~ 2020.013.20074 | - |
II. Public POCs for CVE-2021-21046
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-21046
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- https://helpx.adobe.com/security/products/acrobat/apsb21-09.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-21046
Same Patch Batch · Adobe · 2021-02-11 · 48 CVEs total
| CVE-2021-21017 | 8.8 HIGH | Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Ex |
| CVE-2021-21045 | 8.2 HIGH | Acrobat Reader DC Improper Installer Access Control Vulnerability Could Lead To Privilege |
| CVE-2021-21040 | 7.8 HIGH | Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution |
| CVE-2021-21038 | 7.8 HIGH | Acrobat Reader DC Out-Of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution |
| CVE-2021-21037 | 7.8 HIGH | Acrobat Reader DC Path Traversal Vulnerability Could Lead To Arbitrary Code Execution |
| CVE-2021-21036 | 7.8 HIGH | Acrobat Reader DC Integer Overflow Vulnerability Could Lead To Arbitrary Code Execution |
| CVE-2021-21039 | 7.8 HIGH | Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution |
| CVE-2021-21041 | 7.8 HIGH | Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution |
| CVE-2021-21057 | 6.6 MEDIUM | Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer |
| CVE-2021-21055 | 6.2 MEDIUM | Adobe Dreamweaver Untrusted Search Path Vulnerability Could Lead To Information Disclosure |
| CVE-2021-21029 | 4.8 MEDIUM | Magento Commerce Reflected Cross-site Scripting Vulnerability Could Lead To Arbitrary Java |
| CVE-2021-21060 | 4.6 MEDIUM | Acrobat Pro DC Improper File Parsing Could Lead to Information Disclosure |
| CVE-2021-21062 | Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution | |
| CVE-2021-21058 | Acrobat Reader DC Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution | |
| CVE-2021-21034 | Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability | |
| CVE-2021-21054 | Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution Vu | |
| CVE-2021-21049 | Adobe Photoshop Out-Of-Bounds Read Vulnerability Could Lead To Remote Code Execution Vulne | |
| CVE-2021-21052 | Adobe Animate Out-of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution | |
| CVE-2021-21048 | Adobe Photoshop Buffer Overflow Vulnerability Could Lead To Remote Code Execution Vulnerab | |
| CVE-2021-21053 | Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution |
Showing top 20 of 48 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)
V. Comments for CVE-2021-21046
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