# Trusted Domain Project OpenDKIM vulnerabilities

Source: https://junglewise.ai/threats/technologies/opendkim  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opendkim.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Trusted Domain Project OpenDKIM: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-101277, was published on 29 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About Trusted Domain Project OpenDKIM

Library implementation of DomainKeys Identified Mail (DKIM) for email authentication.

## Latest Trusted Domain Project OpenDKIM vulnerabilities

- [CVE-2026-101277: Trusted Domain Project OpenDKIM use of less trusted source in Tag Tokenizer](https://junglewise.ai/threats/cve-2026-101277-a-security-flaw-has-been-discovered-in-trusted-domain-project) (medium, CVSS 6.5, published 29 Sep 2026)
- [CVE-2026-100889: Trusted Domain Project OpenDKIM off-by-one in decoder](https://junglewise.ai/threats/cve-2026-100889-a-vulnerability-was-detected-in-trusted-domain-project-opendkim) (high, CVSS 7.3, published 28 Sep 2026)
- [CVE-2026-100888: Trusted Domain Project OpenDKIM out-of-bounds write in header selection](https://junglewise.ai/threats/cve-2026-100888-a-weakness-has-been-identified-in-trusted-domain-project) (high, CVSS 7.3, published 28 Sep 2026)

## Most severe Trusted Domain Project OpenDKIM vulnerabilities

- [CVE-2026-100889: Trusted Domain Project OpenDKIM off-by-one in decoder](https://junglewise.ai/threats/cve-2026-100889-a-vulnerability-was-detected-in-trusted-domain-project-opendkim) (high, CVSS 7.3, published 28 Sep 2026)
- [CVE-2026-100888: Trusted Domain Project OpenDKIM out-of-bounds write in header selection](https://junglewise.ai/threats/cve-2026-100888-a-weakness-has-been-identified-in-trusted-domain-project) (high, CVSS 7.3, published 28 Sep 2026)
- [CVE-2026-101277: Trusted Domain Project OpenDKIM use of less trusted source in Tag Tokenizer](https://junglewise.ai/threats/cve-2026-101277-a-security-flaw-has-been-discovered-in-trusted-domain-project) (medium, CVSS 6.5, published 29 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 3 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Trusted Domain Project technologies

- [Trusted Domain Project OpenDMARC](https://junglewise.ai/threats/technologies/opendmarc): 10 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Trusted Domain Project OpenDKIM vulnerabilities", https://junglewise.ai/threats/technologies/opendkim, 9 November 2026.