CVE-2021-26937
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I. Basic Information for CVE-2021-26937
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
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
GNU Screen 参数注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Screen是美国GNU社区的一个应用软件。提供一个物理终端上获得多个虚拟终端的效果。 GNU Screen 中的encoding.c文件存在参数注入漏洞，该漏洞源于未对输入的UTF-8字符安全处理，远程攻击者可通过特殊的UTF-8字符导致产品引发拒绝服务。
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-2021-26937
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://ftp.gnu.org/gnu/screen/x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2021/02/09/3x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUYBJRRWPVAWNZDJTLYWVM/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNWBOIDEPOEQS5RMQVMFKHKXJCGNYWBL/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2021-26937
Same Patch Batch · n/a · 2021-02-09 · 46 CVEs total
| CVE-2021-23327 | 6.3 MEDIUM | Cross-site Scripting (XSS) |
| CVE-2021-26549 | GotoAndPlay SNC SmartFoxServer 跨站脚本漏洞 | |
| CVE-2020-35943 | WordPress NextGEN Gallery plugin 跨站请求伪造漏洞 | |
| CVE-2021-26953 | Rust 信息泄露漏洞 | |
| CVE-2021-26957 | Rust 缓冲区错误漏洞 | |
| CVE-2021-26955 | Rust 安全漏洞 | |
| CVE-2021-26954 | Rust 资源管理错误漏洞 | |
| CVE-2021-26952 | Rust 信息泄露漏洞 | |
| CVE-2021-26951 | Rust 缓冲区错误漏洞 | |
| CVE-2021-26958 | Rust 安全漏洞 | |
| CVE-2021-26550 | SmartFoxServer 安全漏洞 | |
| CVE-2020-22839 | B2evolution Cms 跨站脚本漏洞 | |
| CVE-2020-18215 | PHPSHE SQL注入漏洞 | |
| CVE-2020-13117 | Wavlink WN575A4 和 WN579X3 命令注入漏洞 | |
| CVE-2020-28645 | OwnCloud 输入验证错误漏洞 | |
| CVE-2021-22267 | Idelji Web ViewPoint Suite 安全漏洞 | |
| CVE-2020-28644 | Owncloud ownCloud 跨站请求伪造漏洞 | |
| CVE-2021-3191 | HPE Web ViewPoint Suite 授权问题漏洞 | |
| CVE-2019-17582 | libzip 资源管理错误漏洞 | |
| CVE-2020-16144 | Owncloud 安全漏洞 |
Showing top 20 of 46 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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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-2021-26937
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