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.
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Affected Vendors & Products
References
History
No history.
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
Vulnrichment
No data.
NVD
Status : Analyzed
Published: 2022-08-24T16:15:09.927
Modified: 2022-10-27T16:57:33.273
Link: CVE-2021-4209
Redhat