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Showing 4 vulnerabilities on this page

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VulnerabilityTitle and contextCVSSEPSSPoCsSignalsSTIX action

Packet of death with DNSCrypt

NLnet Labs Unbound 1.6.2 up to and including version 1.25.0 has a denial of service vulnerability when compiled with DNSCrypt support ('--enable-dnscrypt'). A bad DNSCrypt query could underflow Unbound's DNSCrypt packet reading procedure that may lead to heap overflow. A malicious actor can exploit the vulnerability with a single bad DNSCrypt query that its decrypted plaintext consists entirely of '0x00' bytes and does not contain the expected '0x80' marker. Unbound would then start reading more

CWE-125CWE-166May 20, 2026
CVSS4.6v4.0EPSS0.337%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Botan has a TLS 1.3 certificate authentication bypass

Botan is a C++ cryptography library. Prior to version 3.11.1, the TLS 1.3 implementation allowed ApplicationData records to be processed prior to the Finished message being received. A server which is attempting to enforce client authentication via certificates can by bypassed by a client which entirely omits Certificate, CertificateVerify, and the Finished message and instead sends application data records. This vulnerability is fixed in 3.11.1.

CWE-166CWE-841Apr 7, 2026
CVSS8.7v4.0EPSS0.233%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

.NET Spoofing Vulnerability

# Microsoft Security Advisory CVE-2026-21218 | .NET Security Feature Bypass Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0, .NET 9.0, and .NET 10.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An attacker could exploit this vulnerability by crafting a malicious payload that bypasses the security

CWE-166Feb 10, 2026
CVSS-v4.0EPSS1.02%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Microsoft WS-Discovery Denial of Service Vulnerability

Microsoft WS-Discovery Denial of Service Vulnerability

CWE-166Jul 9, 2024
CVSS7.5v3.1EPSS1.89%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX