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<code>poll(0)</code> blocks indefinitely when <code>log.queue=true</code> and <code>debug</code> is enabled — <code>goto retry</code> in <code>rd_kafka_q_pop_serve()</code> skips timeout check

Status: Open.

#5325 In confluentinc/librdkafka;

· nadavgolden opened on Feb 23, 2026

<code>EXC_BAD_ACCESS</code> (NULL pointer dereference) on <code>rdk:main</code> thread when connected broker goes down

Status: Open.

#5315 In confluentinc/librdkafka;

· Ender Wang (Ender-Wang) opened on Feb 16, 2026

CLA signing tool links to restricted document

Status: Open.

#5306 In confluentinc/librdkafka;

· JackKelly-Bellroy opened on Feb 11, 2026

OpenSSL CMS Buffer Overflow Vulnerability

Status: Open.

#5305 In confluentinc/librdkafka;

· Xueyang (XYFargo) opened on Feb 9, 2026

librdkafka v2.13.0 Stops Rebootstrap and Clears Brokers on "0 brokers but topic&gt;0" MetadataResponse, Causing Permanent Client Disconnection

Status: Open.

#5301 In confluentinc/librdkafka;

· Karen Alexander (ida1kd) opened on Feb 6, 2026

Add a new configuration to specify the path to the kerberos ticket cache

Status: Open.

#5296 In confluentinc/librdkafka;

· Makoto "Dave" Nakai (makotonakai) opened on Feb 2, 2026

Is there an alternative to sasl.kerberos.kinit.cmd for automatic Kerberos ticket refresh in librdkafka?

Status: Open.

#5292 In confluentinc/librdkafka;

· lazern opened on Jan 19, 2026

librdkafka++1 Debian/Ubuntu package downloads fail with "NoSuchKeyError" due to missing URL encoding/decoding for plus signs

Status: Open.

#5291 In confluentinc/librdkafka;

· Glenn Raskovich (graskovi) opened on Jan 16, 2026

Guard "sys/random.h" with HAVE_GETENTROPY

Status: Open.

#5283 In confluentinc/librdkafka;

· Oleg Babin (olegrok) opened on Dec 22, 2025

librdkafka v2.6.1 Crash (Memory out-of-bounds read) during update metadata

Status: Open.

#5280 In confluentinc/librdkafka;

· Hayley-Q opened on Dec 17, 2025

TERMINATE OP is received as internal error after parsing metadata response

Status: Open.

#5273 In confluentinc/librdkafka;

· deebika-bot opened on Dec 14, 2025

librdkafka repeatedly receives empty FetchResponses and cannot receive messages from AWS MSK Serverless

Status: Open.

#5268 In confluentinc/librdkafka;

· Zachary Heilbron (zheilbron) opened on Dec 9, 2025