CVE-2019-18178

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Real Time Engineers FreeRTOS+FAT 160919a has a use after free. The function FF_Close() is defined in ff_file.c. The file handler pxFile is freed by ffconfigFREE, which (by default) is a macro definition of vPortFree(), but it is reused to flush modified file content from the cache to disk by the function FF_FlushCache().

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://sourceforge.net/p/freertos/bugs/199/Exploit, Third Party Advisory
https://sourceforge.net/p/freertos/bugs/199/Exploit, Third Party Advisory

Timeline

Published: Nov 4, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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