Description
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Published: 2026-06-02
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 03 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-407
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Jun 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Golang
Golang mime
Vendors & Products Golang
Golang mime

Wed, 03 Jun 2026 04:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-442

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Description Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Title Quadratic complexity in WordDecoder.DecodeHeader in mime
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published:

Updated: 2026-06-26T20:22:46.010Z

Reserved: 2026-04-28T00:21:12.792Z

Link: CVE-2026-42504

cve-icon Vulnrichment

Updated: 2026-06-03T14:05:35.965Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-02T23:16:37.927

Modified: 2026-06-04T16:15:50.143

Link: CVE-2026-42504

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T15:30:26Z

Weaknesses