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CVE-2026-42504

7.5 HIGH

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

Published: 2026-06-02 · Last updated: 2026-06-04

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-407

Description

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

Source: NVD

References

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