BudgetScan

Findings

Across all targets, most severe first.

Clear
SeverityTitleTargetFileTriage
medium Flush() can block forever after completion or hijack writer.Flush swesweep-fasthttp fasthttpadaptor/adaptor.go
INVALID
medium Wrapped handler panic is re-panicked in the fasthttp handler goroutine NewFastHTTPHandler swesweep-fasthttp fasthttpadaptor/adaptor.go
INVALID
medium Unbounded pre-Flush response buffering allows memory exhaustion writer.Write swesweep-fasthttp fasthttpadaptor/adaptor.go
INVALID
medium Stale child signals and PID reuse can corrupt child process tracking Prefork.prefork swesweep-fasthttp prefork/prefork.go
INVALID
medium Special header cases are matched before canonicalization and are case-sensitive ConvertRequest swesweep-fasthttp fasthttpadaptor/request.go
INVALID
medium Duplicate HTTP headers are collapsed instead of preserved ConvertRequest swesweep-fasthttp fasthttpadaptor/request.go
VALID
medium Stale TransferEncoding and RequestURI state when http.Request is reused ConvertRequest swesweep-fasthttp fasthttpadaptor/request.go
INVALID
medium Zero-copy byte-to-string conversion aliases mutable fasthttp request buffers b2s swesweep-fasthttp fasthttpadaptor/b2s.go
INVALID
medium Unauthenticated exposure of all registered expvars ExpvarHandler swesweep-fasthttp expvarhandler/expvar.go
INVALID
medium Uncontrolled regular expression compilation from r query argument getExpvarRegexp swesweep-fasthttp expvarhandler/expvar.go
VALID
medium Nil fasthttp.DialFunc returned on malformed proxy environment, causing process panic FasthttpProxyHTTPDialerTimeout swesweep-fasthttp fasthttpproxy/proxy_env.go
INVALID
medium Unbounded hang on CONNECT when ConnectTimeout is zero (default) httpProxyDial swesweep-fasthttp fasthttpproxy/dialer.go
INVALID
medium Protocol desync: bufio.Reader discards tunneled data after CONNECT 200 httpProxyDial swesweep-fasthttp fasthttpproxy/dialer.go
INVALID
medium Nil Config receiver can panic in NewListener (*Config).NewListener swesweep-fasthttp tcplisten/tcplisten.go
INVALID
medium File descriptor leak when fcntl fails after socket creation newSocketCloexec swesweep-fasthttp tcplisten/socket_zos_s390x.go
INVALID
medium Nil destination writer causes panic when flushing buffered output (*writer).do swesweep-fasthttp stackless/writer.go
INVALID
medium Hidden worker can be terminated by f panic or runtime.Goexit funcWorker swesweep-fasthttp stackless/func.go
INVALID
medium Permanent worker goroutines and channel per NewFunc instance NewFunc swesweep-fasthttp stackless/func.go
INVALID
medium Goroutine and memory leak on client disconnect during long profile or trace PprofHandler swesweep-fasthttp pprofhandler/pprof.go
INVALID
medium Quadratic-time denial of service in path normalization normalizePath swesweep-fasthttp uri.go
VALID
medium Write timeout discards pooled buffer and latches write deadline to closed Write swesweep-fasthttp fasthttputil/pipeconns.go
INVALID
medium Unbounded writer blocking when the receiving end fills the channel and stops reading Write swesweep-fasthttp fasthttputil/pipeconns.go
INVALID
medium Default fasthttp server is used without timeouts, body-size, or concurrency limits main swesweep-fasthttp examples/helloworldserver/helloworldserver.go
INVALID
medium Host-header-controlled path rewrite when -vhost is enabled main swesweep-fasthttp examples/fileserver/fileserver.go
INVALID
medium Reset may invoke malicious or invalid io.Closer values Reset() swesweep-fasthttp userdata.go
INVALID
medium ReleaseTimer panics on nil timer ReleaseTimer swesweep-fasthttp timer.go
INVALID
medium No concurrency limit on DNS resolution — unlimited concurrent resolver queries dial / getTCPAddrs swesweep-fasthttp tcpdialer.go
INVALID
medium Unbounded DNS cache growth allows memory exhaustion getTCPAddrs / dial swesweep-fasthttp tcpdialer.go
INVALID
medium Premature end-of-stream is reported as normal EOF for fixed Content-Length bodies requestStream.Read swesweep-fasthttp streaming.go
INVALID
medium LF-only header line separation creates parser differential readLine swesweep-fasthttp headerscanner.go
VALID
medium Unbounded multipart form memory allocation via default FormValue/MultipartForm (DoS) RequestCtx.FormValue / RequestCtx.MultipartForm swesweep-fasthttp server.go
INVALID
medium Index out of range panic in FormFile on empty file header slice RequestCtx.FormFile swesweep-fasthttp server.go
INVALID
medium Nil StreamWriter accepted without validation NewStreamReader swesweep-fasthttp stream.go
INVALID
medium HTTP status-line control-character injection formatStatusLine swesweep-fasthttp status.go
INVALID
medium Pooled wrapper can be closed after reuse, closing a different connection perIPConn.Close / perIPTLSConn.Close swesweep-fasthttp peripconn.go
INVALID
medium IPv6 and non-TCP remote addresses collapse to the same counter key 0 getConnIP4 swesweep-fasthttp peripconn.go
VALID
medium Unvalidated IPv6 zone allows arbitrary bytes validateIPv6Literal swesweep-fasthttp ipv6.go
INVALID
medium Nil request or response forwarded unchecked to client and health callback lbClient.DoDeadline swesweep-fasthttp lbclient.go
INVALID
medium Lazy init panics when Clients is empty even if AddClient populated cs LBClient.init swesweep-fasthttp lbclient.go
INVALID
medium ContinueReadBodyStream silently returns oversized body stream on ErrBodyTooLarge ContinueReadBodyStream swesweep-fasthttp http.go
INVALID
medium readBodyIdentity allows unbounded body growth when maxBodySize <= 0 readBodyIdentity swesweep-fasthttp http.go
INVALID
medium Silent acceptance of duplicate Content-Length with divergent values parseHeaders (ResponseHeader) swesweep-fasthttp header.go
INVALID
medium Partial header state corruption after trailer parse error tryReadTrailer swesweep-fasthttp header.go
INVALID
medium Information disclosure: raw header bytes in error messages headerErrorMsg swesweep-fasthttp header.go
INVALID
medium ParseBytes can retain CRLF from raw input Cookie.ParseBytes swesweep-fasthttp cookie.go
INVALID
medium Cookie header injection in request cookie serializer appendRequestCookieBytes swesweep-fasthttp cookie.go
INVALID
medium Decompression bomb: no output size limit in public decompression API WriteGunzip / WriteInflate / AppendGunzipBytes / AppendInflateBytes swesweep-fasthttp compress.go
VALID
medium Nil pointer dereference panics in all public Do* entry points Do, DoTimeout, DoDeadline, DoRedirects (package-level, Client, HostClient) swesweep-fasthttp client.go
INVALID
medium Out-of-range compression level is passed to brotli.NewWriterLevel and pooled under a normalized key acquireRealBrotliWriter swesweep-fasthttp brotli.go
INVALID
medium Unsafe zero-copy string aliases mutable attacker-controlled buffer b2s swesweep-fasthttp b2s.go
INVALID
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