Trusted Domain Project OpenDKIM Decoder util.c dkim_qp_decode off-by-one
A vulnerability was detected in Trusted Domain Project OpenDKIM up to 2.11.0. Affected is the function dkim_qp_decode of the file util.c of the component Decoder. The manipulation results in off-by-one. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVE-2026-100889
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100889
OpenDKIM
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:trusted_domain_project:opendkim:*:*:*:*:*:*:*:*"
],
"vendor": "Trusted Domain Project",
"modules": [
"Decoder"
],
"product": "OpenDKIM",
"versions": [
{
"status": "affected",
"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"
}
]
}
]- Related CVEs
- CVE-2026-100889
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #3066 · Revision 1
- Added to Heist Feed
- Publisher date