CVE catalog
CVE-2021-34555
opendmarc: CVE-2021-34555
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.75% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | opendmarc | sid | 1.4.2-5.1 | fixed |
| Debian | opendmarc | forky | 1.4.2-5.1 | fixed |
| Debian | opendmarc | trixie | 1.4.2-5 | fixed |
| Debian | opendmarc | bookworm | 1.4.2-2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | opendmarc | source | sid | 1.4.0~beta1+dfsg-6 | not yet assigned | Not reported | [990001] |
| Debian | opendmarc | source | forky | 1.4.0~beta1+dfsg-6 | not yet assigned | Not reported | [990001] |
| Debian | opendmarc | source | trixie | 1.4.0~beta1+dfsg-6 | not yet assigned | Not reported | [990001] |
| Debian | opendmarc | source | bookworm | 1.4.0~beta1+dfsg-6 | not yet assigned | Not reported | [990001] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libopendmarc2]Fixed
Source package: [opendmarc]
Details (2)
1.4.2-2+b1· amd64 · bookwormFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · bookworm; dsa · opendmarc · debian · 12
1.4.2-2+b1· arm64 · bookwormFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · bookworm; dsa · opendmarc · debian · 12
- [libopendmarc-dev]Fixed
Source package: [opendmarc]
Details (2)
1.4.2-2+b1· amd64 · bookwormFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · bookworm; dsa · opendmarc · debian · 12
1.4.2-2+b1· arm64 · bookwormFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · bookworm; dsa · opendmarc · debian · 12
- [opendmarc]Fixed
Source package: [opendmarc]
Details (2)
1.4.2-2+b1· amd64 · bookwormFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · bookworm; dsa · opendmarc · debian · 12
1.4.2-2+b1· arm64 · bookwormFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · bookworm; dsa · opendmarc · debian · 12
[Debian 13 (Trixie)]
- [libopendmarc2t64]Fixed
Source package: [opendmarc]
Details (2)
1.4.2-5· amd64 · trixieFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · 13
1.4.2-5· arm64 · trixieFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · 13
- [libopendmarc-dev]Fixed
Source package: [opendmarc]
Details (2)
1.4.2-5· amd64 · trixieFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · 13
1.4.2-5· arm64 · trixieFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · 13
- [opendmarc]Fixed
Details (2)
1.4.2-5· amd64 · trixieFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · 13
1.4.2-5· arm64 · trixieFixed · Fixed:
1.4.0~beta1+dfsg-6dsa · opendmarc · debian · 13
Observed: