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

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

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

Updated: 2022-09-15T17:06:40

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


Link: CVE-2021-4209

JSON object: View

cve-icon NVD Information

Status : Analyzed

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

Modified: 2022-10-27T16:57:33.273


Link: CVE-2021-4209

JSON object: View

cve-icon Redhat Information

No data.

CWE