CVE-2021-34555 — NULL Pointer Dereference in Opendmarc

CWE-476 — NULL Pointer Dereference4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 40.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Trusteddomain OpendmarcDebian OpendmarcFedoraproject Fedora
Timeline
PublishedJun 10
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/opendmarc< opendmarc 1.4.0~beta1+dfsg-6 (bookworm)
▶Debiantrusteddomain/opendmarc< 1.4.0~beta1+dfsg-6+3
▶NVDtrusteddomain/opendmarc1.4.1, 1.4.1.1+1

Also affects: Fedora 33, 34

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-9774-4j5q-whvj: OpenDMARC 1↗2022-05-24
▶
OSV
CVE-2021-34555: OpenDMARC 1↗2021-06-10
▶

📋Vendor Advisories

1
Debian
CVE-2021-34555: opendmarc - OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service...↗2021
▶
CVE-2021-34555 — NULL Pointer Dereference in Opendmarc | cvebase