tocsin

CVE-2026-42504

1 advisory.

Go/stdlib CVE-2026-42504: high 7.5

Quadratic complexity in WordDecoder.DecodeHeader in mime

Action: Upgrade stdlib to 1.25.11 or later.

Upgrade Go to 1.25.11.

Upgrade Go to 1.26.4.

Affected

introducedfixedlast affected
01.25.11-
1.26.0-01.26.4-

Fixed versions

1.25.111.26.4

Sources

CVE-2026-42504 · published · modified · JSON