CVE-2021-4209: falha em GnuTLS
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3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 1.9%
A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.
Produtos afetados
n/a · GnuTLSReferências
https://access.redhat.com/security/cve/CVE-2021-4209https://bugzilla.redhat.com/show_bug.cgi?id=2044156https://cert-portal.siemens.com/productcert/html/ssa-398330.htmlhttps://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568https://gitlab.com/gnutls/gnutls/-/issues/1306https://gitlab.com/gnutls/gnutls/-/merge_requests/1503https://security.netapp.com/advisory/ntap-20220915-0005/