CVE-2021-37220
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I. Basic Information for CVE-2021-37220
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
MuPDF through 1.18.1 has an out-of-bounds write because the cached color converter does not properly consider the maximum key size of a hash table. This can, for example, be seen with crafted "mutool draw" input.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
MuPDF 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Artifex Software MuPDF是美国Artifex Software公司的一款免费的、轻量级的PDF阅读器。 MuPDF 中存在缓冲区错误漏洞，该漏洞源于产品缓冲中的颜色转换器没有正确考虑哈希表最大键的大小，攻击者可通过该漏洞导致跨界写操作。 以下产品及版本受到影响：MuPDF 1.18.1 之前版本。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-37220
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-37220
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- https://bugs.ghostscript.com/show_bug.cgi?id=703791x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKRMREIYUBGG2GV73CU7BJNW2Q34IP23/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2021-37220
Same Patch Batch · n/a · 2021-07-21 · 67 CVEs total
| CVE-2021-23409 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2021-23411 | 5.4 MEDIUM | Cross-site Scripting (XSS) |
| CVE-2021-23408 | 5.4 MEDIUM | Prototype Pollution |
| CVE-2020-19497 | MAT File I/O Library 输入验证错误漏洞 | |
| CVE-2020-20219 | MikroTik RouterOS 缓冲区错误漏洞 | |
| CVE-2020-19492 | Sam2p 安全漏洞 | |
| CVE-2020-19469 | Modesty Pdf2json 缓冲区错误漏洞 | |
| CVE-2020-19468 | Modesty Pdf2json 代码问题漏洞 | |
| CVE-2020-19467 | Modesty Pdf2json 资源管理错误漏洞 | |
| CVE-2020-19466 | PDF2JSON 缓冲区错误漏洞 | |
| CVE-2020-19465 | Modesty Pdf2json 缓冲区错误漏洞 | |
| CVE-2020-19464 | PDF2JSON 缓冲区错误漏洞 | |
| CVE-2020-19463 | Modesty Pdf2json 缓冲区错误漏洞 | |
| CVE-2020-22150 | Piwigo 跨站脚本漏洞 | |
| CVE-2020-22148 | Piwigo 跨站脚本漏洞 | |
| CVE-2020-19609 | artifex mupdf 缓冲区错误漏洞 | |
| CVE-2020-20221 | MikroTik RouterOS 资源管理错误漏洞 | |
| CVE-2021-37155 | Wolfssl 安全漏洞 | |
| CVE-2020-20262 | MikroTik RouterOS 代码问题漏洞 | |
| CVE-2021-34816 | Etherpad 参数注入漏洞 |
Showing top 20 of 67 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-37220
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