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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-08-24T15:07:31

Updated: 2024-08-03T17:16:04.444Z

Reserved: 2022-01-24T00:00:00

Link: CVE-2021-4209

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-24T16:15:09.927

Modified: 2024-11-21T06:37:09.190

Link: CVE-2021-4209

cve-icon Redhat

Severity : Low

Publid Date: 2021-12-22T00:00:00Z

Links: CVE-2021-4209 - Bugzilla