Ech0: ParseAcceptLanguage `_` separator bypass enables ~70x CPU amplification via Accept-Language header in i18n.Midd...
High-risk advisory
Summary
Ech0: ParseAcceptLanguage `_` separator bypass enables ~70x CPU amplification via Accept-Language header in i18n.Middleware
Why it matters
GitHub has published a reviewed security advisory for github.com/lin-snow/ech0. Prioritize it with other application dependency updates.
Operator check
Check whether github.com/lin-snow/ech0 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.