CVE-2020-35679

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CVSS 3.1

7.5 high

EPSS

3%p86

Published

Dec 24, 2020 (Dec 24, 2020)

Modified

Jun 17, 2026

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.

Vendors: opensmtpd fedoraproject
Products: opensmtpd, fedora
Weakness: CWE-401
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.8%)

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