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Debian: CVE-2021-4209: gnutls28 -- security update

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Debian: CVE-2021-4209: gnutls28 -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/17/2022
Created
08/29/2022
Added
08/17/2022
Modified
09/01/2022

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)

  • debian-upgrade-gnutls28

References

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