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CVE-2021-4209

nvd nist
Published: Aug 24, 2022Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

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.

Affected (5)

1 product
Gnutls
1 product
Enterprise Linux
3 products
Active Iq Unified Manager
Solidfire & Hci Management Node
Hci Bootstrap Os
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Before 3.7.3
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 8.0
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
All versions
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
Hci Compute Node
All versions

References (12)

Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.