High severity7.5NVD Advisory· Published Oct 7, 2019· Updated Jun 17, 2026
CVE-2019-13120
CVE-2019-13120
Description
Amazon FreeRTOS up to and including v1.4.8 lacks length checking in prvProcessReceivedPublish, resulting in untargetable leakage of arbitrary memory contents on a device to an attacker. If an attacker has the authorization to send a malformed MQTT publish packet to an Amazon IoT Thing, which interacts with an associated vulnerable MQTT message in the application, specific circumstances could trigger this vulnerability.
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Affected products
3- cpe:2.3:a:amazon:amazon_web_services_freertos:*:*:*:*:*:*:*:*Range: <=1.4.8
- Amazon/FreeRTOSdescription
Patches
Vulnerability mechanics
References
1- aws.amazon.com/cn/freertos/security-updates/nvdVendor Advisory
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