Fluent Bit v5.1.5

Issues

• lua: bound MessagePack reads when pushing values to Lua

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  fluent/fluent-bit#12597·edsiper opened Oct 17, 2026 · Updated Oct 17, 2026
  2

• filter_parser: free the previous parse buffer when Key_Name repeats

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  fluent/fluent-bit#12539·cestercian opened Oct 9, 2026 · Updated Oct 18, 2026
  2

• out_stackdriver: fix cacheHit copied from cacheLookup in httpRequest

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  fluent/fluent-bit#12469·riccardonar opened Sep 25, 2026 · Updated Oct 18, 2026
  2

• opentelemetry: in_opentelemetry: log_event_encoder: mitigate otel attributes quadratic encoding expansion

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  fluent/fluent-bit#12603·cosmo0920 opened Oct 19, 2026 · Updated Oct 19, 2026
  6

• http_server: address cumulative bytes on http2 headers

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  fluent/fluent-bit#12590·cosmo0920 opened Oct 16, 2026 · Updated Oct 19, 2026
  6

• filter_kubernetes: mitigate SEGV occurrences on using Use_Kubelet

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  fluent/fluent-bit#12580·cosmo0920 opened Oct 15, 2026 · Updated Oct 19, 2026
  2

• out_stackdriver: out_bigquery: out_chronicle: conceal jwt token on debug logs

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  fluent/fluent-bit#12604·cosmo0920 opened Oct 19, 2026 · Updated Oct 19, 2026
  4

• oauth2_jwt: mitigate leaks on duplicated JWT members

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  fluent/fluent-bit#12605·cosmo0920 opened Oct 19, 2026 · Updated Oct 19, 2026
  2

• in_collectd: mitigate collectd unaligned type read

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  fluent/fluent-bit#12606·cosmo0920 opened Oct 19, 2026 · Updated Oct 19, 2026
  2

• out_http: add PATCH as an http method

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  fluent/fluent-bit#12552·cestercian opened Oct 12, 2026 · Updated Oct 19, 2026
  11