CVE-2026-42504

INFO Priority: 0.00 BB Relevance: 0/100
Published: 2026-06-02 Modified: 2026-10-29 First seen: 2026-10-29 Status: pending_score

Description

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

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
Go standard library mime 0 < 1.25.11
Go standard library mime 0 < 1.25.11
Go standard library mime 1.26.0-0 < 1.26.4

Bug Bounty Relevance

0 / 100

CVSS Score

Unscored

EPSS — Exploitation Probability

0.56%
Raw Score 0.005600
Percentile 46.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00560
2026-10-28
0.00560

Intelligence Sources

mitre ref →