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I. Basic Information for CVE-2021-20231
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
GnuTLS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 gnutls 存在安全漏洞，该漏洞源于客户端发送密钥共享扩展的自由后使用可能会导致内存损坏和其他后果。
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
VendorProductAffected VersionsCPESubscribe
-gnutls gnutls 3.7.1 -
II. Public POCs for CVE-2021-20231
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III. Intelligence Information for CVE-2021-20231
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New Vulnerabilities
Product: gnutls
Vendor: n/a
Same weakness: CWE-416
V. Comments for CVE-2021-20231

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