data/osv/GO-2026-5676.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-5676",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2026-40898",
    "GHSA-vvgj-x9jq-8cj9"
  ],
  "summary": "HTTP/3 QPACK Trailer Expansion Memory Exhaustion in github.com/quic-go/quic-go",
  "details": "HTTP/3 QPACK Trailer Expansion Memory Exhaustion in github.com/quic-go/quic-go",
  "affected": [
    {
      "package": {
        "name": "github.com/quic-go/quic-go",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.59.1"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/quic-go/quic-go/http3",
            "symbols": [
              "ClientConn.HandleBidirectionalStream",
              "ClientConn.OpenRequestStream",
              "ClientConn.RoundTrip",
              "ConfigureTLSConfig",
              "ErrCode.String",
              "Error.Error",
              "ListenAndServeQUIC",
              "ListenAndServeTLS",
              "ParseCapsule",
              "RawClientConn.HandleUnidirectionalStream",
              "RawServerConn.HandleRequestStream",
              "RawServerConn.HandleUnidirectionalStream",
              "RequestStream.CancelRead",
              "RequestStream.CancelWrite",
              "RequestStream.Close",
              "RequestStream.Read",
              "RequestStream.ReadResponse",
              "RequestStream.SendRequestHeader",
              "RequestStream.Write",
              "Server.Close",
              "Server.ListenAndServe",
              "Server.ListenAndServeTLS",
              "Server.NewRawServerConn",
              "Server.Serve",
              "Server.ServeListener",
              "Server.ServeQUICConn",
              "Server.Shutdown",
              "Stream.Read",
              "Stream.Write",
              "Transport.Close",
              "Transport.CloseIdleConnections",
              "Transport.NewClientConn",
              "Transport.NewRawClientConn",
              "Transport.RoundTrip",
              "Transport.RoundTripOpt",
              "body.Close",
              "body.Read",
              "cancelingReader.Read",
              "countingByteReader.Read",
              "countingByteReader.ReadByte",
              "decodeTrailers",
              "errConnUnusable.Error",
              "exactReader.Read",
              "frameParser.ParseNext",
              "gzipReader.Close",
              "gzipReader.Read",
              "hijackableBody.Close",
              "hijackableBody.Read",
              "parseHeaders",
              "parseTrailers",
              "qpackError.Error",
              "rawConn.OpenUniStream",
              "rawConn.TrackStream",
              "requestWriter.WriteRequestHeader",
              "requestWriter.WriteRequestTrailer",
              "responseWriter.Flush",
              "responseWriter.FlushError",
              "responseWriter.HTTPStream",
              "responseWriter.Write",
              "responseWriter.WriteHeader",
              "roundTripperWithCount.Close",
              "stateTrackingStream.CancelRead",
              "stateTrackingStream.CancelWrite",
              "stateTrackingStream.Close",
              "stateTrackingStream.Read",
              "stateTrackingStream.Write",
              "tracingReader.Read"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/quic-go/quic-go/security/advisories/GHSA-vvgj-x9jq-8cj9"
    },
    {
      "type": "FIX",
      "url": "https://github.com/quic-go/quic-go/commit/c56e8c79d1627cc1ed6005b421b4b0adadd83665"
    },
    {
      "type": "FIX",
      "url": "https://github.com/quic-go/quic-go/pull/5642"
    },
    {
      "type": "WEB",
      "url": "https://github.com/advisories/GHSA-g754-hx8w-x2g6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/quic-go/quic-go/releases/tag/v0.59.1"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-5676",
    "review_status": "REVIEWED"
  }
}