CVE Vulnerabilities

CVE-2021-34555

NULL Pointer Dereference

Published: Jun 10, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
LOW
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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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
OpendmarcTrusteddomain1.4.1 (including)1.4.1 (including)
OpendmarcTrusteddomain1.4.1.1 (including)1.4.1.1 (including)
OpendmarcUbuntubionic*
OpendmarcUbuntugroovy*
OpendmarcUbuntuhirsute*
OpendmarcUbuntuimpish*
OpendmarcUbuntukinetic*
OpendmarcUbuntutrusty*
OpendmarcUbuntuxenial*

Potential Mitigations

References