CVE-2021-33642
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I. Basic Information for CVE-2021-33642
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
byacc 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
byacc是openeuler开源的一个语法分析器生成工具。 openEuler byacc存在安全漏洞，该漏洞源于当处理文件时，more_curly()函数的next_inline()会发生死循环。
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 |
|---|---|---|---|---|
| - | byacc | <1.9.20200330 and <2.0.20210808 | - |
II. Public POCs for CVE-2021-33642
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · n/a · 2023-01-20 · 72 CVEs total
| CVE-2022-48126 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2023-24021 | ModSecurity 安全漏洞 | |
| CVE-2023-23492 | WordPress Plugin The Login with Phone Number SQL注入漏洞 | |
| CVE-2023-23010 | Ecommerce-CodeIgniter-Bootstrap多款产品 跨站脚本漏洞 | |
| CVE-2023-22964 | ZOHO ManageEngine ServiceDesk Plus 授权问题漏洞 | |
| CVE-2023-22912 | MediaWiki 安全特征问题漏洞 | |
| CVE-2023-22910 | MediaWiki 跨站脚本漏洞 | |
| CVE-2023-0101 | Nessus 安全漏洞 | |
| CVE-2022-48279 | ModSecurity 安全漏洞 | |
| CVE-2022-48152 | RemoteClinic SQL注入漏洞 | |
| CVE-2023-23012 | craigrodway classroombookings 跨站脚本漏洞 | |
| CVE-2022-48125 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2022-48124 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2022-48123 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2022-48122 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2022-48121 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2022-48120 | Hospital Management System SQL注入漏洞 | |
| CVE-2022-47747 | kraken 路径遍历漏洞 | |
| CVE-2022-47732 | Yeastar N412和Yeastar N824 安全漏洞 | |
| CVE-2022-47024 | Vim 代码问题漏洞 |
Showing top 20 of 72 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: byacc
Same vendor: n/a
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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
Same weakness: CWE-835
- CVE-2026-42310
Pillow: PDF Parsing Trailer Infinite Loop (DoS) - CVE-2026-41511
OpenMcdf has an Infinite loop DoS via crafted CFB directory - CVE-2026-5407
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6536
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6534
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi
V. Comments for CVE-2021-33642
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