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GO-2026-4986

Quadratic string concatentation in consumeComment in net/mail

Quick fix

GO-2026-4986 — stdlib: upgrade to the fixed version with the command below.

go get stdlib@v1.25.10

Details

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/stdlib
Introduced in: 0Fixed in: 1.25.10
Fixgo get stdlib@v1.25.10

References