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Some sources, documents or advisories need attention: 275/275 feeds/APIs · 469/469 docs · 8/9 advisories · checked 04:43 UTC Customize Public modeDiscuss ChangeIntel on Discord
CVE-2021-4209Published

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 cir…

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

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These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2021-4209 · Microsoft / collected KEV context

cve-program · CVE-2021-4209

Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.

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Sources read 10 Nov 04:43 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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