openssl: OpenSSL TLS 1.3 server may choose unexpected key agreement group

A key group selection preference flaw has been discovered in OpenSSL. 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. A less preferred key exchange may be used...

SUSE-SU-2026:21107-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: Security issues fixed: - CVE-2026-2673: TLS 1.3 servers may choose unexpected key agreement group bsc1259652. - CVE-2026-28387: potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL pointer dereference when processing...

OpenSSL TLS 1.3 server may choose unexpected key agreement group

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OpenSSL -- key agreement vulnerability

The OpenSSL project reports: TLS 1.3 server may choose unexpected key agreement group Low 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...

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...

FreeBSD : OpenSSL -- key agreement vulnerability (ee1e6a24-1eeb-11f1-81da-8447094a420f)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ee1e6a24-1eeb-11f1-81da-8447094a420f advisory. The OpenSSL project reports: TLS 1.3 server may choose unexpected key agreement group Low An OpenSSL TL...