Vulnerability GO-2026-5038

Unknown
UNKNOWN RISK
Vulnerabilities without an assigned CVSS score. Severity is not determinable from available data.
4 months ago
June 02, 2026 at 09:39 PM UTC
Quadratic complexity in WordDecoder.DecodeHeader in mime
<1.25.11, >=1.26.0-0 <1.26.4
<1.25.11, >=1.26.0-0 <1.26.4

Summary

Quadratic complexity in WordDecoder.DecodeHeader in mime

Details

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

Impacted packages

Timeline

Published
4 months ago
June 02, 2026 at 09:39 PM UTC
Last Modified
3 days ago
October 15, 2026 at 10:41 AM UTC