HAProxy known bugs for version v2.6.19 (maintenance branch 2.6) :  42 

This version (2.6.19) is a release belonging to maintenance branch 2.6 whose latest version is 2.6.20. 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.

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Other versions in the same branch

This branch contains the following releases :

DateVersionComment
2024-11-082.6.20 ⇐ last
2024-09-192.6.19 ⇐ yours
2024-06-182.6.18 
2024-04-052.6.17 
2023-12-132.6.16 
2023-08-092.6.15 
2023-06-092.6.14 
2023-05-022.6.13 
2023-03-282.6.12 
2023-03-172.6.11 
2023-03-102.6.10 
2023-02-142.6.9 
2023-01-242.6.8 
2022-12-022.6.7 
2022-09-222.6.6 
2022-09-032.6.5 
2022-08-222.6.4 
2022-08-192.6.3 
2022-07-222.6.2 
2022-06-212.6.1 
2022-05-312.6.0 

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

These fixes have already been queued for a more recent 2.6 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
42 0 1 27 14

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

Merge dateSubject - Severity (minor, medium, major, critical)
2025-01-09BUG/MEDIUM: queue: Make process_srv_queue return the number of streams
2025-01-09BUG/MEDIUM: queues: Do not use pendconn_grab_from_px().
2025-01-09BUG/MEDIUM: queues: Make sure we call process_srv_queue() when leaving
2025-01-09BUG/MEDIUM: stconn: Don't forward shut for SC in connecting state
2025-01-09BUG/MINOR: stream: unblock stream on wait-for-handshake completion
2025-01-09BUG/MEDIUM: pattern: prevent uninitialized reads in pat_match_{str,beg}
2025-01-09BUG/MEDIUM: mux-h1: Fix how timeouts are applied on H1 connections
2025-01-09BUG/MINOR: server-state: Fix expiration date of srvrq_check tasks
2025-01-09BUG/MINOR: signal: register default handler for SIGINT in signal_init()
2025-01-09BUG/MINOR: h1-htx: Use default reason if not set when formatting the response
2025-01-09BUG/MEDIUM: http-ana: Reset request flag about data sent to perform a L7 retry
2025-01-09BUG/MEDIUM: sock: Remove FD_POLL_HUP during connect() if FD_POLL_ERR is not set
2025-01-09BUG/MEDIUM: http-ana: Don't release too early the L7 buffer
2025-01-09BUG/MAJOR: quic: fix wrong packet building due to already acked frames
2025-01-09BUG/MEDIUM: h3: Increase max number of headers when sending headers
2025-01-09BUG/MEDIUM: h3: Properly limit the number of headers received
2025-01-09BUG/MEDIUM: mux-h2: Check the number of headers in HEADERS frame after decoding
2025-01-09BUG/MEDIUM: mux-h2: Increase max number of headers when encoding HEADERS frames
2025-01-09BUG/MINOR: http-ana: Adjust the server status before the L7 retries
2025-01-09BUG/MINOR: http_ana: Report -1 for %Tr for invalid response only
2025-01-09BUG/MINOR: peers: make sure to always apply offsets to now_ms in expiration
2025-01-09BUG/MEDIUM: mailers: make sure to always apply offsets to now_ms in expiration
2025-01-09BUG/MEDIUM: checks: make sure to always apply offsets to now_ms in expiration
2025-01-09BUG/MEDIUM: mux-h2: Don't send RST_STREAM frame for streams with no ID
2025-01-09BUG/MEDIUM: resolvers: Insert a non-executed resulution in front of the wait list
2025-01-09BUG/MINOR: cli: don't show sockpairs in HAPROXY_CLI and HAPROXY_MASTER_CLI
2025-01-09BUG/MEDIUM: queue: make sure never to queue when there's no more served conns
2025-01-09BUG/MEDIUM: queue: always dequeue the backend when redistributing the last server
2025-01-09BUG/MEDIUM: stream: make stream_shutdown() async-safe
2024-11-08BUG/MEDIUM: mux-pt: Never fully close the connection on shutdown
2024-11-06BUG/MINOR: http-ana: Report internal error if an action yields on a final eval
2024-11-06BUG/MINOR: ssl/cli: 'set ssl cert' does not check the transaction name correctly
2024-11-06BUG/MEDIUM: server: fix race on servers_list during server deletion
2024-11-06BUG/MINOR: server: fix dynamic server leak with check on failed init
2024-11-06BUG/MEDIUM: connection/http-reuse: fix address collision on unhandled address families
2024-11-06BUG/MINOR: mworker: fix mworker-max-reloads parser
2024-11-06BUG/MINOR: http-ana: Don't report a server abort if response payload is invalid
2024-11-06BUG/MEDIUM: hlua: properly handle sample func errors in hlua_run_sample_{fetch,conv}()
2024-11-06BUG/MEDIUM: hlua: make hlua_ctx_renew() safe
2024-11-06BUG/MEDIUM: server: server stuck in maintenance after FQDN change
2024-11-06BUG/MINOR: cfgparse-global: fix allowed args number for setenv
2024-11-06BUG/MEDIUM: cli: Deadlock when setting frontend maxconn

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