Ubuntu: (Multiple Advisories) (CVE-2021-4209): GnuTLS vulnerabilities
4
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
03/03/2022
08/29/2022
08/05/2022
05/01/2023
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.
Solution(s)
- ubuntu-upgrade-libgnutls30
- ubuntu-upgrade-ubuntu
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