Issues

• process_stream spin/crash with SPOE http-response + H2 backend early response

  status: reviewedtype: bug
  haproxy/haproxy#3559 · Filter by author awlx opened on Nov 3, 2026
  2

• FastCGI timeout server strikes when connection is blocked on slow reader

  status: reviewedtype: bug
  haproxy/haproxy#3558 · Filter by author TimWolla opened on Nov 3, 2026
  2

• H2 backend: one slow client stalls every other stream on a shared server connection

  haproxy/haproxy#3557 · Filter by author awlx opened on Nov 3, 2026
  2

• rhttp: on soft-stop, reverse connections stay attached to the old process, so new requests get 503 SC-- until its in-flight requests finish

  haproxy/haproxy#3556 · Filter by author dlundquist opened on Nov 2, 2026

• HAProxy 3.2.22-26 getting NOSRV w/ up server and balance leastconn

  status: needs-triagetype: bug
  haproxy/haproxy#3555 · Filter by author arvidj opened on Nov 2, 2026
  5

• 3.4 regression: stick table declared only in a backend is no longer purged when stopping

  3.4type: bug
  haproxy/haproxy#3554 · Filter by author glory0216 opened on Nov 2, 2026
  1

  

• Stopping process spins in malloc_trim() for each batch while purging a large stick table

  status: needs-triagetype: bug
  haproxy/haproxy#3553 · Filter by author glory0216 opened on Nov 2, 2026

• QUIC: server floods Initial PINGs and never resends its lost Handshake flight

  haproxy/haproxy#3552 · Filter by author jbevemyr opened on Nov 1, 2026
  1

• mysql-check reads past the received data when the packet length field is smaller than the fixed header

  haproxy/haproxy#3551 · Filter by author QiuYitai opened on Oct 29, 2026

• using TLS-ALPN-01 to get new TLS certificates

  subsystem: ssltype: feature
  haproxy/haproxy#3550 · Filter by author p4tpr0 opened on Oct 27, 2026
  

• NetScaler CIP: hdr_len close to bufsize makes conn_recv_netscaler_cip() write past the trash buffer (src/connection.c:1841)

  haproxy/haproxy#3549 · Filter by author Marti2203 opened on Oct 27, 2026
  1

• BUG/MINOR: hlua: unlock Patref before add_bulk type error leading to watchdog worker kill

  3.23.4status: fixedtype: bug
  haproxy/haproxy#3548 · Filter by author h110hawk opened on Oct 25, 2026
  5

• src/server.c: parse_srv_expr() leaks the sample expression when the fetch is not usable on a server (runtime 'add server ... sni')

  3.03.23.4
  haproxy/haproxy#3547 · Filter by author Marti2203 opened on Oct 24, 2026
  3

• src/debug.c: 'debug dev fd' crashes on strlen(NULL) when sa2str() does not know the address family

  haproxy/haproxy#3546 · Filter by author Marti2203 opened on Oct 24, 2026
  2

• src/sample.c: NULL dereference in ms_ltime/us_ltime/ms_utime/us_utime when conv_time_common() fails

  3.03.23.4
  haproxy/haproxy#3545 · Filter by author Marti2203 opened on Oct 24, 2026
  2

• Sample fetch for the RFC 3986-normalized request path (path_norm / pathq_norm), without rewriting the request line

  type: feature
  haproxy/haproxy#3544 · Filter by author glory0216 opened on Oct 23, 2026

• Tracked server briefly goes UP while its agent remains DOWN

  haproxy/haproxy#3543 · Filter by author snh opened on Oct 20, 2026

• Broken links in the docs

  status: invalid
  haproxy/haproxy#3542 · Filter by author keyral opened on Oct 20, 2026
  2

• bwlim filter keyed by client address: sessions of unreachable clients never leave and sc_conn_io_cb spins at 100 % CPU (3.4.6, 3.4.7)

  2.62.83.03.23.3status: fixedtype: bug
  haproxy/haproxy#3541 · Filter by author olegs2026 opened on Oct 17, 2026
  5

• H1: valid request rejected with 414 when its data end exactly at the end of a full input buffer

  2.62.83.03.23.3status: fixedtype: bug
  haproxy/haproxy#3540 · Filter by author manu-ns opened on Oct 15, 2026
  4

• Dynamic QUIC Retry can become unreachable behind the handshake cap

  haproxy/haproxy#3539 · Filter by author wallace0409 opened on Oct 15, 2026

• Segfault when a backend goes down

  status: feedback requiredtype: bug
  haproxy/haproxy#3538 · Filter by author flyingflo opened on Oct 14, 2026
  3

• map/ACL pattern files: lines longer than 16383 chars are silently split, tune.bufsize is ignored

  status: needs-triagetype: bug
  haproxy/haproxy#3537 · Filter by author dwjang97 opened on Oct 14, 2026

• Reconnecting one peer delays heartbeats to another idle peer

  haproxy/haproxy#3536 · Filter by author snh opened on Oct 13, 2026
  5

  

• Allow dynamic use-server rules in defaults sections (for backends created with add backend ... from)

  haproxy/haproxy#3535 · Filter by author ygkat opened on Oct 13, 2026