CVE-2026-42504

Publication date 2 June 2026

Last updated 18 June 2026

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

Package	Ubuntu Release	Status
golang-1.24	26.04 LTS resolute	Needs evaluation
	25.10 questing	Ignored end of life, was needs-triage
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Needs evaluation
golang-1.25	26.04 LTS resolute	Needs evaluation
	25.10 questing	Ignored end of life, was needs-triage
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
golang-1.26	26.04 LTS resolute	Needs evaluation
	25.10 questing	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Scores

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