HAProxy known bugs for version v2.7.7 (maintenance branch 2.7) :  207 

This version (2.7.7) is a release belonging to maintenance branch 2.7 whose latest version is 2.7.11. If your version is not the last one in the maintenance branch, you are missing fixes for known bugs, and by not updating you are needlessly taking the responsibility for the risk of unexpected service outages and exposing your web site to possible security issues.

The HAProxy development team takes a great care of maintaining stable versions so that all users can apply bug fixes without having to take the risk of upgrading to a new branch. In turn users are expected to apply the fixes when the development team estimates that they were worth being backported to stable branches.

Quick links

Other versions in the same branch

This branch contains the following releases :

DateVersionComment
2023-12-072.7.11 ⇐ last
2023-08-092.7.10 
2023-06-072.7.9 
2023-05-022.7.8 
2023-04-272.7.7 ⇐ yours
2023-03-282.7.6 
2023-03-172.7.5 
2023-03-102.7.4 
2023-02-142.7.3 
2023-01-202.7.2 
2022-12-192.7.1 
2022-12-012.7.0 

Known bugs affecting this version, and already fixed in the maintenance branch

These fixes have already been queued for a more recent 2.7 version. Some of them might have already been released in a more recent version than yours, and other ones might still be pending in the maintenance branch for a future release. The list may be empty if you're already on the latest version and no new fix was backported.

Bugs are almost always tagged with a severity (some people forget the severity tag when the bug is minor). The following severities are used :

Total known bugs in this version by category :

TotalCRITICALMAJORMEDIUMMINOR
207 0 6 61 140

Click on the subjects below to get the full description of the bug :

Merge dateSubject - Severity (minor, medium, major, critical)
2023-12-07BUG/MEDIUM: proxy: always initialize the default settings after init
2023-12-07BUG/MINOR: quic: Possible leak of TX packets under heavy load
2023-12-07BUG/MEDIUM: quic: Possible crash during retransmissions and heavy load
2023-12-07BUG/MINOR: cache: Remove incomplete entries from the cache when stream is closed
2023-12-07BUG/MINOR: sample: Make the `word` converter compatible with `-m found`
2023-12-07BUG/MINOR: cfgparse-listen: fix warning being reported as an alert
2023-12-07BUG/MINOR: config: Stopped parsing upon unmatched environment variables
2023-12-07BUG/MINOR: quic_tp: fix preferred_address decoding
2023-12-07BUG/MINOR: h3: always reject PUSH_PROMISE
2023-12-07BUG/MINOR: h3: fix TRAILERS encoding
2023-12-07BUG/MINOR: quic: fix CONNECTION_CLOSE_APP encoding
2023-12-07BUG/MINOR: server: do not leak default-server in defaults sections
2023-12-07BUG/MINOR: quic: Possible RX packet memory leak under heavy load
2023-12-07BUG/MEDIUM: quic: Possible crash for connections to be killed
2023-12-07BUG/MINOR: sock: mark abns sockets as non-suspendable and always unbind them
2023-12-07BUG/MINOR: startup: set GTUNE_SOCKET_TRANSFER correctly
2023-12-07BUG/MINOR: proxy/stktable: missing frees on proxy cleanup
2023-12-07BUG/MINOR: stream/cli: report correct stream age in "show sess"
2023-12-07BUG/MEDIUM: mux-fcgi: fail earlier on malloc in takeover()
2023-12-07BUG/MEDIUM: mux-h1: fail earlier on malloc in takeover()
2023-12-07BUG/MEDIUM: mux-h2: fail earlier on malloc in takeover()
2023-12-07BUG/MAJOR: quic: complete thread migration before tcp-rules
2023-11-20BUG/MINOR: stconn: Use HTX-aware channel's functions to get info on buffer
2023-11-20BUG/MINOR: stconn: Fix streamer detection for HTX streams
2023-11-15BUG/MEDIUM: quic: fix sslconns on quic_conn alloc failure
2023-11-15BUG/MEDIUM: quic: fix actconn on quic_conn alloc failure
2023-11-14BUG/MEDIUM: stream: Don't call mux .ctl() callback if not implemented
2023-11-14BUG/MEDIUM: mworker: set the master variable earlier
2023-11-14BUG/MINOR: http-client: Don't forget to commit changes on HTX message
2023-11-14BUG/MEDIUM: stream: Properly handle abortonclose when set on backend only
2023-11-14BUG/MINOR: stconn: Handle abortonclose if backend connection was already set up
2023-11-14BUG/MEDIUM: connection: report connection errors even when no mux is installed
2023-11-14BUG/MINOR: sink: don't learn srv port from srv addr
2023-11-14BUG/MEDIUM: applet: Remove appctx from buffer wait list on release
2023-11-14BUG/MINOR: quic: fix retry token check inconsistency
2023-11-14BUG/MEDIUM: quic: Avoid some crashes upon TX packet allocation failures
2023-11-14BUG/MEDIUM: quic: Possible crashes when sending too short Initial packets
2023-11-14BUG/MEDIUM: quic: Avoid trying to send ACK frames from an empty ack ranges tree
2023-11-14BUG/MINOR: quic: idle timer task requeued in the past
2023-11-14BUG/MEDIUM: pool: fix releasable pool calculation when overloaded
2023-11-14BUG/MEDIUM: freq-ctr: Don't report overshoot for long inactivity period
2023-11-14BUG/MINOR: mux-h1: Properly handle http-request and http-keep-alive timeouts
2023-11-14BUG/MINOR: stick-table/cli: Check for invalid ipv4 key
2023-11-14BUG/MEDIUM: pattern: don't trim pools under lock in pat_ref_purge_range()
2023-11-14BUG/MINOR: cfgparse/stktable: fix error message on stktable_init() failure
2023-11-14BUG/MINOR: stktable: missing free in parse_stick_table()
2023-11-14BUG/MINOR: tcpcheck: Report hexstring instead of binary one on check failure
2023-11-14BUG/MEDIUM: ssl: segfault when cipher is NULL
2023-11-14BUG/MINOR: mux-quic: fix early close if unset client timeout
2023-11-14BUG/MINOR: ssl: suboptimal certificate selection with TLSv1.3 and dual ECDSA/RSA
2023-11-14BUG/MINOR: ssl: use a thread-safe sslconns increment
2023-11-14BUG/MINOR: quic: do not consider idle timeout on CLOSING state
2023-11-14BUG/MEDIUM: server: "proto" not working for dynamic servers
2023-11-14DEBUG: mux-h2/flags: fix list of h2c flags used by the flags decoder
2023-11-14BUG/MINOR: ssl: load correctly @system-ca when ca-base is define
2023-10-27BUG/MINOR: mux-h2: update tracked counters with req cnt/req err
2023-10-27BUG/MINOR: mux-h2: commit the current stream ID even on reject
2023-10-27BUG/MEDIUM: peers: Fix synchro for huge number of tables
2023-10-27BUG/MEDIUM: peers: Be sure to always refresh recconnect timer in sync task
2023-10-27BUG/MINOR: trace: fix trace parser error reporting
2023-10-27BUG/MINOR: mux-h2: fix http-request and http-keep-alive timeouts again
2023-10-27BUG/MEDIUM: mux-h2: Don't report an error on shutr if a shutw is pending
2023-10-27BUG/MINOR: mux-h2: make up other blocked streams upon removal from list
2023-10-27BUG/MINOR: mux-h1: Send a 400-bad-request on shutdown before the first request
2023-10-27BUG/MEDIUM: quic-conn: free unsent frames on retransmit to prevent crash
2023-10-27BUG/MINOR: mux-quic: fix free on qcs-new fail alloc
2023-10-27BUG/MINOR: h3: strengthen host/authority header parsing
2023-10-27BUG/MINOR: mux-quic: support initial 0 max-stream-data
2023-10-27BUG/MEDIUM: mux-quic: fix RESET_STREAM on send-only stream
2023-10-27BUG/MINOR: quic: reject packet with no frame
2023-10-27BUG/MINOR: quic: Avoid crashing with unsupported cryptographic algos
2023-10-27BUG/MINOR: hq-interop: simplify parser requirement
2023-10-27BUG/MEDIUM: h1: Ignore C-L value in the H1 parser if T-E is also set
2023-10-27BUG/MINOR: mux-h1: Ignore C-L when sending H1 messages if T-E is also set
2023-10-27BUG/MINOR: mux-h1: Handle read0 in rcv_pipe() only when data receipt was tried
2023-10-27BUG/MEDIUM: hlua: Initialize appctx used by a lua socket on connect only
2023-10-27BUG/MEDIUM: http-ana: Try to handle response before handling server abort
2023-10-17BUG/MEDIUM: quic_conn: let the scheduler kill the task when needed
2023-10-06BUG/MEDIUM: actions: always apply a longest match on prefix lookup
2023-10-04BUG/MINOR: mux-quic: remove full demux flag on ncbuf release
2023-10-04BUG/MEDIUM: server/cli: don't delete a dynamic server that has streams
2023-10-04BUG/MINOR: server: add missing free for server->rdr_pfx
2023-10-04BUG/MAJOR: mux-h2: Report a protocol error for any DATA frame before headers
2023-10-04BUG/MINOR: freq_ctr: fix possible negative rate with the scaled API
2023-10-04BUG/MINOR: promex: fix backend_agg_check_status
2023-10-04BUG/MEDIUM: mux-fcgi: Don't swap trash and dbuf when handling STDERR records
2023-10-04BUG/MINOR: hlua/init: coroutine may not resume itself
2023-10-04BUG/MEDIUM: hlua: don't pass stale nargs argument to lua_resume()
2023-09-29Revert "BUG/MEDIUM: quic: missing check of dcid for init pkt including a token"
2023-09-29BUG/MEDIUM: hlua: streams don't support mixing lua-load with lua-load-per-thread
2023-09-29BUG/MINOR: quic: Wrong cluster secret initialization
2023-09-29BUG/MINOR: quic: Leak of frames to send.
2023-09-29BUILD: bug: make BUG_ON() void to avoid a rare warning
2023-09-07BUG/MINOR: hlua/action: incorrect message on E_YIELD error
2023-09-07BUG/MEDIUM: stconn/stream: Forward shutdown on write timeout
2023-09-07BUG/MINOR: quic: Wrong RTT computation (srtt and rrt_var)
2023-09-07BUG/MINOR: quic: Wrong RTT adjusments
2023-09-07BUG/MEDIUM: h1-htx: Ensure chunked parsing with full output buffer
2023-09-07BUG/MAJOR: quic: Really ignore malformed ACK frames.
2023-09-07BUG/MINOR: quic: Possible skipped RTT sampling
2023-09-07BUG/MEDIUM: stconn: Don't block sends if there is a pending shutdown
2023-09-07BUG/MEDIUM: stconn: Wake applets on sending path if there is a pending shutdown
2023-09-07BUG/MINOR: checks: do not queue/wake a bounced check
2023-09-07BUG/MINOR: ssl/cli: can't find ".crt" files when replacing a certificate
2023-09-07BUG/MINOR: ssl_sock: fix possible memory leak on OOM
2023-09-07BUG/MINOR: hlua_fcn: potentially unsafe stktable_data_ptr usage
2023-09-07BUG/MINOR: stktable: allow sc-set-gpt(0) from tcp-request connection
2023-09-07BUG/MINOR: hlua: fix invalid use of lua_pop on error paths
2023-09-07BUG/MEDIUM: quic: fix tasklet_wakeup loop on connection closing
2023-08-09BUG/MINOR: http: skip leading zeroes in content-length values
2023-08-09BUG/MINOR: h3: reject more chars from the :path pseudo header
2023-08-09BUG/MINOR: h2: reject more chars from the :path pseudo header
2023-08-09BUG/MINOR: h1: do not accept '#' as part of the URI component
2023-08-09BUG/MAJOR: http: reject any empty content-length header value
2023-08-09BUG/MAJOR: h3: reject header values containing invalid chars
2023-08-09BUG/MAJOR: http-ana: Get a fresh trash buffer for each header value replacement
2023-08-09BUG/MINOR: quic: reappend rxbuf buffer on fake dgram alloc error
2023-08-09BUG/MEDIUM: quic: consume contig space on requeue datagram
2023-08-09BUG/MEDIUM: bwlim: Reset analyse expiration date when then channel analyse ends
2023-08-09BUG/MEDIUM: h3: Be sure to handle fin bit on the last DATA frame
2023-08-09BUG/MINOR: chunk: fix chunk_appendf() to not write a zero if buffer is full
2023-08-09BUG/MEDIUM: h3: Properly report a C-L header was found to the HTX start-line
2023-07-21BUG/MINOR: cpuset: remove the bogus "proc" from the cpu_map struct
2023-07-21BUG/MINOR: config: do not detect NUMA topology when cpu-map is configured
2023-07-21BUG/MEDIUM: listener: Acquire proxy's lock in relax_listener() if necessary
2023-07-21BUG/MINOR: quic: Missing parentheses around PTO probe variable.
2023-07-21BUG/MINOR: h1-htx: Return the right reason for 302 FCGI responses
2023-07-21BUG/MINOR: hlua: add check for lua_newstate
2023-07-21BUG/MINOR: http: Return the right reason for 302
2023-07-21BUG/MINOR: sample: Fix wrong overflow detection in add/sub conveters
2023-07-21BUG/MINOR: hlua: hlua_yieldk ctx argument should support pointers
2023-07-21BUG/MEDIUM: quic: timestamp shared in token was using internal time clock
2023-07-21BUG/MEDIUM: quic: missing check of dcid for init pkt including a token
2023-07-21BUG/MINOR: quic: retry token remove one useless intermediate expand
2023-07-21BUG/MEDIUM: quic: token IV was not computed using a strong secret
2023-07-21BUG/MINOR: config: Remove final '\n' in error messages
2023-07-21BUG/MINOR: sink/log: properly deinit srv in sink_new_from_logsrv()
2023-07-21BUG/MINOR: sink: fix errors handling in cfg_post_parse_ring()
2023-07-21BUG/MINOR: sink: invalid sft free in sink_deinit()
2023-07-21BUG/MINOR: log: free errmsg on error in cfg_parse_log_forward()
2023-07-21BUG/MINOR: log: fix multiple error paths in cfg_parse_log_forward()
2023-07-21BUG/MINOR: log: fix missing name error message in cfg_parse_log_forward()
2023-07-21BUG/MEDIUM: log: improper use of logsrv->maxlen for buffer targets
2023-07-21BUG/MINOR: log: LF upsets maxlen for UDP targets
2023-07-21BUG/MINOR: ring: maxlen warning reported as alert
2023-07-21BUG/MINOR: ring: size warning incorrectly reported as fatal error
2023-07-21BUG/MINOR: sink: missing sft free in sink_deinit()
2023-07-21BUG/MEDIUM: sink: invalid server list in sink_new_from_logsrv()
2023-07-21BUG/MINOR: cache: A 'max-age=0' cache-control directive can be overriden by a s-maxage
2023-07-21BUG/MINOR: tcp_sample: bc_{dst,src} return IP not INT
2023-07-21BUG/MINOR: quic: Wrong endianess for version field in Retry token
2023-07-21BUG/MINOR: quic: Wrong Retry paquet version field endianess
2023-07-21BUG/MINOR: quic: Missing random bits in Retry packet header
2023-07-21BUG/MINOR: config: fix stick table duplicate name check
2023-06-29BUG/MEDIUM: quic: error checking buffer large enought to receive the retry tag
2023-06-29BUG/MINOR: quic: Prevent deadlock with CID tree lock
2023-06-22BUG/MINOR: mworker: leak of a socketpair during startup failure
2023-06-22BUG/MINOR: quic: ticks comparison without ticks API use
2023-06-22BUG/MEDIUM: mworker: increase maxsock with each new worker
2023-06-22BUG/MINOR: quic: Possible endless loop in quic_lstnr_dghdlr()
2023-06-22BUG/MINOR: quic: Possible crash in quic_conn_prx_cntrs_update()
2023-06-22BUG/MINOR: quic: Missing initialization (packet number space probing)
2023-06-22BUG/MINOR: namespace: missing free in netns_sig_stop()
2023-06-22BUG/MINOR: server: inherit from netns in srv_settings_cpy()
2023-06-22BUG/MINOR: quic: Address inversion in "show quic full"
2023-06-22BUG/MINOR: quic: Wrong encryption level flags checking
2023-06-07BUG/MINOR: proxy: add missing interface bind free in free_proxy
2023-06-07BUG/MINOR: cfgparse-tcp: leak when re-declaring interface from bind line
2023-06-05BUG/MINOR: spoe: Only skip sending new frame after a receive attempt
2023-06-05BUG/MINOR: quic: Possible crash when SSL session init fails
2023-05-31BUG/MINOR: mux-h2: refresh the idle_timer when the mux is empty
2023-05-31BUG/MEDIUM: threads: fix a tiny race in thread_isolate()
2023-05-31BUG/MEDIUM: mux-quic: only set EOI on FIN
2023-05-26BUG/MINOR: hlua: unsafe hlua_lua2smp() usage
2023-05-26BUG/MINOR: quic: Missing Retry token length on receipt
2023-05-26BUG/MINOR: quic: Wrong token length check (quic_generate_retry_token())
2023-05-26BUG/MEDIUM: mux-h2: Propagate termination flags when frontend SC is created
2023-05-26BUG/MINOR: quic: handle Tx packet allocation failure properly
2023-05-26CLEANUP: mux-quic/h3: complete BUG_ON with comments
2023-05-17BUG/MINOR: checks: postpone the startup of health checks by the boot time
2023-05-17BUG/MINOR: tcp-rules: Don't shortened the inspect-delay when EOI is set
2023-05-17BUG/MEDIUM: mux-quic: fix EOI for request without payload
2023-05-17BUG/MINOR: h3: missing goto on buf alloc failure
2023-05-17BUG/MINOR: mux-quic: handle properly Tx buf exhaustion
2023-05-17BUG/MEDIUM: mux-h2: make sure control frames do not refresh the idle timeout
2023-05-17BUG/MINOR: mux-quic: free task on qc_init() app ops failure
2023-05-17BUG/MINOR: mux-quic: differentiate failure on qc_stream_desc alloc
2023-05-17BUG/MINOR: quic: do not alloc buf count on alloc failure
2023-05-17BUG/MINOR: mux-quic: handle properly recv ncbuf alloc failure
2023-05-17BUG/MINOR: mux-quic: properly handle buf alloc failure
2023-05-17BUG/MINOR: quic: Wrong redispatch for external data on connection socket
2023-05-17BUG/MINOR: log: fix memory error handling in parse_logsrv()
2023-05-17BUG/MINOR: errors: handle malloc failure in usermsgs_put()
2023-05-11BUG/MINOR: http_rules: fix errors paths in http_parse_redirect_rule()
2023-05-11BUG/MINOR: proxy: missing free in free_proxy for redirect rules
2023-05-11BUG/MEDIUM: mux-fcgi: Don't request more room if mux is waiting for more data
2023-05-11BUG/MINOR: mux-quic: no need to subscribe for detach streams
2023-05-11BUG/MINOR: mux-quic: do not free frame already released by quic-conn
2023-05-11BUG/MINOR: mux-quic: do not prevent shutw on error
2023-05-11BUG/MINOR: quic: Buggy acknowlegments of acknowlegments function
2023-05-11BUG/MEDIUM: filters: Don't deinit filters for disabled proxies during startup
2023-05-11BUG/MINOR: quic: Possible crash when dumping version information
2023-05-11BUG/MEDIUM: mux-quic: wakeup tasklet to close on error
2023-05-11BUG/MINOR: mux-quic: fix transport VS app CONNECTION_CLOSE
2023-05-11BUG/MINOR: quic: Wrong key update cipher context initialization for encryption
2023-05-11BUG/MINOR: debug: do not emit empty lines in thread dumps
2023-05-11BUG/MINOR: mux-quic: prevent quic_conn error code to be overwritten
2023-05-11BUG/MINOR: debug: fix incorrect profiling status reporting in show threads
2023-05-11DEV: haring: automatically disable DEBUG_STRICT
2023-05-11BUG/MINOR: ssl/sample: x509_v_err_str converter output when not found
2023-05-11BUG/MINOR: resolvers: Use sc_need_room() to wait more room when dumping stats
2023-05-11BUG/MEDIUM: spoe: Don't start new applet if there are enough idle ones

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