CVE-2026-42504

HIGH
7.5CVSS v3
CVSS v2
0.04% EPSS (exploit probability)
CWE-407CWE

Description

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

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references