CVE-2021-34555

High

Description

OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.

SeverityHigh
CVSS7.5
Exploit probability—
ProductTrusteddomain Opendmarc
PublishedJun 10, 2021
First seenJun 10, 2021

How to fix

Affected products

ProductAffected versionsFixed in
trusteddomain opendmarc1.4.1, 1.4.1.1—
fedoraproject fedora33, 34—

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