Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N N N N L L 5.5 .0032 23.2 —
AFFECTED Product Versions Fixed OpenDMARC 1.4.0 – —
TIMELINE Sep 27 Reserved by VulDB Sep 28 EXPLOIT PUBLISHED — CVE-2026-101017 (Trusted Domain Project OpenDMARC). Public exploit reference added. Sep 28 Published (CNA: VulDB)
A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarc_policy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
| Date | Event | Detail |
|---|---|---|
| September 27, 2026 | Reserved | Reserved by VulDB |
| September 28, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-101017 (Trusted Domain Project OpenDMARC). Public exploit reference added. |
| September 28, 2026 | Published | Published (CNA: VulDB) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Trusted Domain Project | OpenDMARC | — | 1.4.0 | — |
Authoritative record: CVE-2026-101017 at cve.org
Vendors: trusted domain project
Weaknesses: CWE-755
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-101017 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
