CVE-2021-34970— Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability
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I. Basic Information for CVE-2021-34970
Vulnerability Information
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Vulnerability Title
Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the implementation of the print method. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14849.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用外部控制的格式字符串
Source: NVD (National Vulnerability Database)
Vulnerability Title
Foxit PDF Editor 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Editor是中国福昕（Foxit）公司的一款PDF编辑器。 Foxit PDF Reader 中存在缓冲区错误漏洞，该漏洞源于产品的打印方法未对用户输入的格式说明符进行正确的验证。攻击者诱导用户打开恶意文件或恶意页面后可通过该漏洞导致恶意代码执行。
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 |
|---|---|---|---|---|
| Foxit | PDF Reader | 11.0.1.49938 | - |
II. Public POCs for CVE-2021-34970
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Foxit · 2024-05-07 · 29 CVEs total
| CVE-2021-34961 | Foxit PDF Editor Ink Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34948 | Foxit PDF Reader Square Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34949 | Foxit PDF Reader Annotation Out-Of-Bounds Read Information Disclosure Vulnerability | |
| CVE-2021-34950 | Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability | |
| CVE-2021-34951 | Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerabi | |
| CVE-2021-34952 | Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34953 | Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerabil | |
| CVE-2021-34954 | Foxit PDF Editor StrikeOut Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34955 | Foxit PDF Editor Stamp Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34956 | Foxit PDF Editor Underline Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34957 | Foxit PDF Editor Highlight Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34958 | Foxit PDF Editor Text Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34959 | Foxit PDF Editor Square Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34960 | Foxit PDF Editor Circle Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34976 | Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability | |
| CVE-2021-34962 | Foxit PDF Editor Caret Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34963 | Foxit PDF Editor PolyLine Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34964 | Foxit PDF Editor Polygon Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34965 | Foxit PDF Editor Squiggly Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34967 | Foxit PDF Editor Line Annotation Use-After-Free Remote Code Execution Vulnerability |
Showing top 20 of 29 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: PDF Reader
- CVE-2025-9330
Foxit PDF Reader Update Service Uncontrolled Search Path Ele - CVE-2025-9323
Foxit PDF Reader JP2 File Parsing Out-Of-Bounds Read Informa - CVE-2025-9324
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9325
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9326
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Remote
Same vendor: Foxit
- CVE-2025-9330
Foxit PDF Reader Update Service Uncontrolled Search Path Ele - CVE-2025-9323
Foxit PDF Reader JP2 File Parsing Out-Of-Bounds Read Informa - CVE-2025-9324
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9325
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9326
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Remote
Same weakness: CWE-134
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Remote Denial of Service Vulnerability Exists in ZTE Cloud P - CVE-2026-6539
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Nano: nano: format string vulnerability leads to denial of s - CVE-2026-3509
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V. Comments for CVE-2021-34970
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