CVE-2026-42504
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 0.56%
- Published
- 2026-06-02
- Last modified
- 2026-09-17
Affected products
- Go standard library mime
- Go standard library mime