vulnerability

Huawei EulerOS: CVE-2021-4209: gnutls security update

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:C)
Published
Aug 24, 2022
Added
Mar 9, 2023
Modified
Aug 13, 2025

Description

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.

Solutions

huawei-euleros-2_0_sp5-upgrade-gnutlshuawei-euleros-2_0_sp5-upgrade-gnutls-c++huawei-euleros-2_0_sp5-upgrade-gnutls-danehuawei-euleros-2_0_sp5-upgrade-gnutls-develhuawei-euleros-2_0_sp5-upgrade-gnutls-utils
Title
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