Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2022-3786

A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed a malicious certificate or for an application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address in a certificate to overflow an arbitrary number of bytes containing the `.' character (decimal 46) on the stack. This buffer overflow could result in a crash (causing a denial of service). In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects.

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
openssl / openssl 3.0.0 3.0.7
fedoraproject / fedora 36 36.x
fedoraproject / fedora 37 37.x
nodejs / node.js 19.0.0 19.0.0.x
nodejs / node.js 18.12.0 18.12.0.x
nodejs / node.js 18.0.0 18.11.0
openssl-src 300.0.0 300.0.11