CVE-2026-42504

Name: CVE-2026-42504
Creator: NVD / NIST
Published: 2026-06-02T23:16:37.927+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.56%

Last modified Jun 17, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.56%

42.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-407

References

https://go.dev/cl/774481
https://go.dev/issue/79217
https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw
https://pkg.go.dev/vuln/GO-2026-5038

Timeline

Published: Jun 2, 2026
Last Modified: Jun 17, 2026
Status: Awaiting Analysis

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Source: NVD / NIST