CVE-2021-46880

Critical

Description

x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.

SeverityCritical
CVSS9.8
Exploit probability—
ProductOpenbsd Libressl
PublishedApr 15, 2023
First seenApr 15, 2023
Weakness typeCWE-295CWE-295

How to fix

Update
  • openbsd libressl3.4.2 or later
  • openbsd openbsd7.0 or later

Affected products

ProductAffected versionsFixed in
openbsd libresslv < 3.4.23.4.2
openbsd openbsdv < 7.07.0

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CVE-2021-46880 · Openbsd Libressl · Dark Radar