CVE-2026-67240 RabbitMQ: ReDoS via AMQP 1.0 SQL filter LIKE wildcard

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, patterntoregex maps % - .? and - ., then compiles ^...$ with only unicode; re:run is called with only capture, none - no explicit matchlimit. A pattern like %%...%X becomes ^.?..?.....?.X$ with overlapping lazy...

CVE-2026-67240 RabbitMQ: ReDoS via AMQP 1.0 SQL filter LIKE wildcard

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, patterntoregex maps % - .? and - ., then compiles ^...$ with only unicode; re:run is called with only capture, none - no explicit matchlimit. A pattern like %%...%X becomes ^.?..?.....?.X$ with overlapping lazy...

CVE-2026-67240 RabbitMQ: ReDoS via AMQP 1.0 SQL filter LIKE wildcard

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, patterntoregex maps % - .? and - ., then compiles ^...$ with only unicode; re:run is called with only capture, none - no explicit matchlimit. A pattern like %%...%X becomes ^.?..?.....?.X$ with overlapping lazy...

EUVD-2026-85636

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, patterntoregex maps % - .? and - ., then compiles ^...$ with only unicode; re:run is called with only capture, none - no explicit matchlimit. A pattern like %%...%X becomes ^.?..?.....?.X$ with overlapping lazy...

CVE-2026-67240

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, patterntoregex maps % - .? and - ., then compiles ^...$ with only unicode; re:run is called with only capture, none - no explicit matchlimit. A pattern like %%...%X becomes ^.?..?.....?.X$ with overlapping lazy...

CVE-2026-67240

Prior to versions 4.2.7 and 4.3.1 , RabbitMQ is vulnerable to a backtracking-driven CPU amplification (ReDoS) attack. The issue occurs because pattern_to_regex maps wildcards to regex patterns that, when combined with overlapping lazy quantifiers, cause high CPU usage. Specifically, SQL filters a...

DEBIAN-CVE-2026-67238

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

CVE-2026-66079

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, parsearrayprimitive/2 for constructor 0x45 list0 returns an element with byte-width B = 0. The enclosing array32 parser at line 148 reads a 4-byte Count from the wire and loops Count times consumin...

CVE-2026-67238

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

AZL-105744 CVE-2026-66079 affecting package rabbitmq-server 3.13.7-9

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, parsearrayprimitive/2 for constructor 0x45 list0 returns an element with byte-width B = 0. The enclosing array32 parser at line 148 reads a 4-byte Count from the wire and loops Count times consumin...

UBUNTU-CVE-2026-67238

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

CVE-2026-66079

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, parsearrayprimitive/2 for constructor 0x45 list0 returns an element with byte-width B = 0. The enclosing array32 parser at line 148 reads a 4-byte Count from the wire and loops Count times consumin...

UBUNTU-CVE-2026-66079

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, parsearrayprimitive/2 for constructor 0x45 list0 returns an element with byte-width B = 0. The enclosing array32 parser at line 148 reads a 4-byte Count from the wire and loops Count times consumin...

CVE-2026-67238

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

CVE-2026-67220 RabbitMQ: JMS topic exchange erl_scan atom exhaustion

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220 RabbitMQ: JMS topic exchange erl_scan atom exhaustion

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220

Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0 , RabbitMQ is vulnerable to a cross-tenant Denial of Service (DoS) due to atom exhaustion. When creating a binding on an x-jms-topic exchange , the add_binding/3 function processes the rjms_erlang_selector argument using erl_scan:string/...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-66079 RabbitMQ: Pre-auth AMQP 1.0 array32 zero-width element DoS

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, parsearrayprimitive/2 for constructor 0x45 list0 returns an element with byte-width B = 0. The enclosing array32 parser at line 148 reads a 4-byte Count from the wire and loops Count times consumin...

CVE-2026-66079

Prior to versions 3.13.15 , 4.0.20 , 4.1.11 , and 4.2.6 , RabbitMQ is vulnerable to a Denial of Service (DoS) attack due to an issue in the parse_array_primitive/2 function. The parser incorrectly handles constructor 0x45 (list0) , returning an element with a byte-width of zero. This allows an un...