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VULNERABILITIES

CVE-2026-77408 Details

Description

RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, the writeShortstr function in write.go casts the byte length of AMQP shortstr property values to uint8 without first rejecting values longer than 255 bytes. An application that accepts an oversized CorrelationId, ReplyTo, MessageId, Expiration, UserId, AppId, ContentType, ContentEncoding, or Type value can therefore serialize a wrapped length and only a truncated prefix, while reporting no error. The resulting silent metadata corruption can break request and reply correlation, routing, tracing, and downstream message processing. This issue is fixed in version 1.13.0.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/rabbitmq/amqp091-go/commit/6959423aa2784a1971e399175dfb2065dea0f3b0 [email protected]
https://github.com/rabbitmq/amqp091-go/pull/354 [email protected]
https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0 [email protected]
https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-j497-x9hr-x34x [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-190Integer Overflow or Wraparound[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-77408
NVD Published Date:
Sep 16, 2026
NVD Last Modified:
Sep 23, 2026
Source:
[email protected]
CVE-2026-77408 Details - Not Deferred