BIT-golang-2026-42504

vendorUSosv

Quadratic complexity in WordDecoder.DecodeHeader in mime

view advisory published 2026-06-05Licence: per source

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

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-42504US	—	0.56% (47th)	—	2026-06-02
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

External citations — patches, advisories, analysis.

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