VULNERABILITY INTELLIGENCE

CVE-2020-35679

CVSS score7.5 HIGH
EPSS probability2.79%
CISA KEVNot currently listed
Published2020-12-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.

Weakness classification

  • CWE-401: Missing Release of Memory after Effective Lifetime

Primary references