Vulnerability Database

296,760

Total vulnerabilities in the database

CVE-2019-10691

The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.

  • Published: Apr 24, 2019
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-10691
  • Severity: High
  • Exploit:

CVSS v3:

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

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software From Fixed in
dovecot / dovecot - 2.3.5.2
opensuse / leap 15.0 15.0.x