CVE-2026-56862

7.5 Élevée

Publiée le 14/08/2026 à 00:17 · Modifiée le 03/09/2026 à 18:37 · En attente d'analyse NVD · Source : security@golang.org

Description

Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely.

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Produits concernés

Go standard library crypto/tls

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.5 Élevée	134c704f-9b21-4f2e-91b3-4a467353bcc0	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Faiblesses (CWE)

CWE-770

Références

https://go.dev/cl/804261
https://go.dev/issue/80528
https://groups.google.com/g/golang-announce/c/94pEornpRlI
https://pkg.go.dev/vuln/GO-2026-6090

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories