Invoking Encrypted Client Hello privacy leak in crypto/tls (Go standard library crypto/tls)

CVE-2026-42505
MEDIUM 5.3

En bref

Source
NVD
EPSS
EPSS 0.38 % · centile 32 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Go
Statut NVD
Analyzed

Description

Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.

Faiblesses (CWE)

  • CWE-201 — Insertion of Sensitive Information Into Sent Data

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NCISA-ADP
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Avis

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Go standard library · crypto/tlsaffected 0 < 1.25.12 ; affected 1.26.0-0 < 1.26.5 ; affected 1.27.0-0 < 1.27.0-rc.2

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD