Vulnerability Report: GO-2026-5038
- CVE-2026-42504
- Affects: mime
- Published: Jun 02, 2026
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Affected Packages
-
PathVersionsSymbols
-
before go1.25.11, from go1.26.0-0 before go1.26.4
Aliases
References
- https://go.dev/issue/79217
- https://go.dev/cl/774481
- https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw
- https://vuln.go.dev/ID/GO-2026-5038.json
Credits
- p4p3r (https://hackerone.com/p4p3r_hak)
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