VULNERABILITY INTELLIGENCE

CVE-2026-42504

CVSS score7.5 HIGH

EPSS probability0.56%

CISA KEVNot currently listed

Published2026-06-02

Last modified2026-07-22

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

Description

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