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CVE-2026-101277

Trusted Domain Project OpenDKIM Tag Tokenizer dkim.c dkim_process_set less trusted source

CVSS 4.0 6.9 MEDIUMCVSS 3.1 6.5 MEDIUMCVSS 3.0 6.5 MEDIUMCVSS 2.0 6.4 Check source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-101277

Published

A security flaw has been discovered in Trusted Domain Project OpenDKIM up to 2.11.0. The impacted element is the function dkim_process_set of the file dkim.c of the component Tag Tokenizer. Performing a manipulation results in use of less trusted source. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-101277

Published

OpenDKIM

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Trusted Domain Project",
                    "product": "OpenDKIM",
                    "versions": [
                        {
                            "version": "2.0",
                            "status": "affected"
                        },
                        {
                            "version": "2.1",
                            "status": "affected"
                        },
                        {
                            "version": "2.2",
                            "status": "affected"
                        },
                        {
                            "version": "2.3",
                            "status": "affected"
                        },
                        {
                            "version": "2.4",
                            "status": "affected"
                        },
                        {
                            "version": "2.5",
                            "status": "affected"
                        },
                        {
                            "version": "2.6",
                            "status": "affected"
                        },
                        {
                            "version": "2.7",
                            "status": "affected"
                        },
                        {
                            "version": "2.8",
                            "status": "affected"
                        },
                        {
                            "version": "2.9",
                            "status": "affected"
                        },
                        {
                            "version": "2.10",
                            "status": "affected"
                        },
                        {
                            "version": "2.11.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:trusted_domain_project:opendkim:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Tag Tokenizer"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON