CVE catalog
CVE-2026-101278
A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_get_tld of the file libopendmarc/opendmarc_tld.c : of the component PSL Wildcard Han
- Severity
- Medium · CVSS 4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_get_tld of the file libopendmarc/opendmarc_tld.c : of the component PSL Wildcard Handler. Executing a manipulation can lead to origin validation error. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
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 | vulnerable |
| Debian | opendmarc | forky | 1.4.2-5.1 | vulnerable |
| Debian | opendmarc | trixie | 1.4.2-5 | vulnerable |
| Debian | opendmarc | bookworm | 1.4.2-2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | opendmarc | source | sid | (unfixed) | not yet assigned | Not reported | [1149876] |
| Debian | opendmarc | source | forky | (unfixed) | not yet assigned | Not reported | [1149876] |
| Debian | opendmarc | source | trixie | (unfixed) | not yet assigned | Not reported | [1149876] |
| Debian | opendmarc | source | bookworm | (unfixed) | not yet assigned | Not reported | [1149876] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libopendmarc2]Affected
Source package: [opendmarc]
Details (2)
1.4.2-2+b1· amd64 · bookwormAffected
nvd · opendmarc · debian · bookworm; nvd · opendmarc · debian · 12
1.4.2-2+b1· arm64 · bookwormAffected
nvd · opendmarc · debian · bookworm; nvd · opendmarc · debian · 12
- [libopendmarc-dev]Affected
Source package: [opendmarc]
Details (2)
1.4.2-2+b1· amd64 · bookwormAffected
nvd · opendmarc · debian · bookworm; nvd · opendmarc · debian · 12
1.4.2-2+b1· arm64 · bookwormAffected
nvd · opendmarc · debian · bookworm; nvd · opendmarc · debian · 12
- [opendmarc]Affected
Source package: [opendmarc]
Details (2)
1.4.2-2+b1· amd64 · bookwormAffected
nvd · opendmarc · debian · bookworm; nvd · opendmarc · debian · 12
1.4.2-2+b1· arm64 · bookwormAffected
nvd · opendmarc · debian · bookworm; nvd · opendmarc · debian · 12
[Debian 13 (Trixie)]
- [libopendmarc2t64]Affected
Source package: [opendmarc]
Details (2)
1.4.2-5· amd64 · trixieAffected
nvd · opendmarc · debian · 13
1.4.2-5· arm64 · trixieAffected
nvd · opendmarc · debian · 13
- [libopendmarc-dev]Affected
Source package: [opendmarc]
Details (2)
1.4.2-5· amd64 · trixieAffected
nvd · opendmarc · debian · 13
1.4.2-5· arm64 · trixieAffected
nvd · opendmarc · debian · 13
- [opendmarc]Affected
Details (2)
1.4.2-5· amd64 · trixieAffected
nvd · opendmarc · debian · 13
1.4.2-5· arm64 · trixieAffected
nvd · opendmarc · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-101278]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-101278]
- [https://security-tracker.debian.org/tracker/CVE-2026-101278]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101278.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]