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Vulnerability record · CVE-2024-21646 · published 9 January 2024

CVE-2024-21646: Microsoft azure uamqp code injection vulnerability

Microsoft · Azure Uamqp

Azure uAMQP is a general purpose C library for AMQP 1.0. The UAMQP library is used by several clients to implement AMQP protocol communication. When clients using this library receive a crafted binary type data, an integer overflow or wraparound or memory safety issue can occur and may cause remote code execution. This vulnerability has been patched in release 2024-01-01.

9.8 CVSS 3.1 Critical EPSS 5.1% · top 7.9% CWE-94 · Code injectionCWE-190 · Integer overflow
9.8CVSS 3.1 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Azure uAMQP is a general purpose C library for AMQP 1.0. The UAMQP library is used by several clients to implement AMQP protocol communication. When clients using this library receive a crafted binary type data, an integer overflow or wraparound or memory safety issue can occur and may cause remote code execution. This vulnerability has been patched in release 2024-01-01.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Azure/azure-uamqp-c/commit/12ddb3a31a5a97f55b06fa5d74c59a1d84ad78fe Patch
https://github.com/Azure/azure-uamqp-c/security/advisories/GHSA-j29m-p99g-7hpv Vendor Advisory
https://github.com/Azure/azure-uamqp-c/commit/12ddb3a31a5a97f55b06fa5d74c59a1d84ad78fe Patch
https://github.com/Azure/azure-uamqp-c/security/advisories/GHSA-j29m-p99g-7hpv Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2024-21646), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.