CVE-2026-2673

Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less preferred key exchange may be used even when a more preferred group is...

CVE-2026-2673 OpenSSL TLS 1.3 server may choose unexpected key agreement group

Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less preferred key exchange may be used even when a more preferred group is...

PT-2026-25314

Name of the Vulnerable Software and Affected Versions OpenSSL versions 3.5 and 3.6 OpenSSL versions prior to 3.4 OpenSSL versions prior to 3.3 OpenSSL versions prior to 3.0 OpenSSL versions prior to 1.0.2 OpenSSL versions prior to 1.1.1 Description An issue exists in OpenSSL TLS 1.3 servers where...