{"id":"CVE-2019-18178","aliases":["EUVD-2019-7983","GHSA-9f2j-wvcr-653r"],"status":"published","title":"Real Time Engineers FreeRTOS+FAT 160919a has a use after free. The function FF_Close() is defined...","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().","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00917,"percentile":0.60461,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2019-11-04T19:37:35Z","modified":"2026-06-17T02:24:24Z","products":[{"vendor":"amazon","product":"freertos\\+fat"}],"references":[{"url":"https://sourceforge.net/p/freertos/bugs/199/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18178"},{"url":"https://github.com/advisories/GHSA-9f2j-wvcr-653r"}],"sources":{"cve":[{"id":"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().","status":"published","published":"2019-11-04T19:37:35Z","modified":"2024-08-05T01:47:13.687Z","updated_at":"2026-11-02T14:32:24.110857Z"}],"euvd":[{"id":"EUVD-2019-7983","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().","status":"published","published":"2019-11-04T19:37:35Z","modified":"2024-08-05T01:47:13Z","updated_at":"2026-11-03T02:40:29.306082Z"}],"ghsa":[{"id":"GHSA-9f2j-wvcr-653r","title":"Real Time Engineers FreeRTOS+FAT 160919a has a use after free. The function FF_Close() is defined...","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().","status":"published","published":"2022-05-24T17:00:18Z","modified":"2023-01-28T05:07:36Z","updated_at":"2026-11-02T14:44:33.090384Z"}],"nvd":[{"id":"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().","status":"published","published":"2019-11-04T20:15:10.09Z","modified":"2026-06-17T02:24:24.9Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:32.982925Z"}]}}