High severity7.5NVD Advisory· Published Nov 4, 2019· Updated Jun 17, 2026
CVE-2019-18178
CVE-2019-18178
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().
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Affected products
4- cpe:2.3:o:amazon:freertos\+fat:160919a:*:*:*:*:*:*:*
- Real Time Engineers/FreeRTOS+FATdescription
- Range: 160919a
- Range: 160919a
Patches
Vulnerability mechanics
References
1- sourceforge.net/p/freertos/bugs/199/nvdExploitThird Party Advisory
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