{"schema_version":1,"title":"ChaN vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in ChaN: 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-6688, was published on 1 July 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/chan","json_url":"https://junglewise.ai/threats/vendors/chan.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/chan","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":3,"all_time":7,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":7,"last_365_days":7},"latest":[{"cve":"CVE-2026-6688","cvss":7.6,"slug":"cve-2026-6688-chan-fatfs-buffer-overflow-in-long-filename-handling","title":"ChaN FatFs buffer overflow in long filename handling","severity":"high","exploited":false,"published_at":"2026-07-01T15:17:13.013+00:00","url":"https://junglewise.ai/threats/cve-2026-6688-chan-fatfs-buffer-overflow-in-long-filename-handling"},{"cve":"CVE-2026-6687","cvss":7.6,"slug":"cve-2026-6687-chan-fatfs-stack-overflow-in-f-getlabel","title":"ChaN FatFs stack overflow in f_getlabel","severity":"high","exploited":false,"published_at":"2026-07-01T15:17:12.87+00:00","url":"https://junglewise.ai/threats/cve-2026-6687-chan-fatfs-stack-overflow-in-f-getlabel"},{"cve":"CVE-2026-6686","cvss":4.6,"slug":"cve-2026-6686-chan-fatfs-uninitialized-cluster-exposure-in-f-lseek","title":"ChaN FatFs uninitialized cluster exposure in f_lseek","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.763+00:00","url":"https://junglewise.ai/threats/cve-2026-6686-chan-fatfs-uninitialized-cluster-exposure-in-f-lseek"},{"cve":"CVE-2026-6685","cvss":6.1,"slug":"cve-2026-6685-chan-fatfs-integer-underflow-in-f-read-and-f-write","title":"ChaN FatFs integer underflow in f_read and f_write","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.66+00:00","url":"https://junglewise.ai/threats/cve-2026-6685-chan-fatfs-integer-underflow-in-f-read-and-f-write"},{"cve":"CVE-2026-6684","cvss":4.6,"slug":"cve-2026-6684-chan-fatfs-infinite-loop-in-gpt-partition-scanning","title":"ChaN FatFs infinite loop in GPT partition scanning","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.553+00:00","url":"https://junglewise.ai/threats/cve-2026-6684-chan-fatfs-infinite-loop-in-gpt-partition-scanning"},{"cve":"CVE-2026-6683","cvss":4.6,"slug":"cve-2026-6683-chan-fatfs-divide-by-zero-in-exfat-sync-logic","title":"ChaN FatFs divide by zero in exFAT sync logic","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.443+00:00","url":"https://junglewise.ai/threats/cve-2026-6683-chan-fatfs-divide-by-zero-in-exfat-sync-logic"},{"cve":"CVE-2026-6682","cvss":7.6,"slug":"cve-2026-6682-chan-fatfs-integer-overflow-in-mount-volume","title":"ChaN FatFs integer overflow in mount_volume","severity":"high","exploited":false,"published_at":"2026-07-01T15:17:12.313+00:00","url":"https://junglewise.ai/threats/cve-2026-6682-chan-fatfs-integer-overflow-in-mount-volume"}],"vendor":{"hub":true,"name":"ChaN","slug":"chan","homepage":"http://elm-chan.org/","description":"ChaN is an independent developer known for creating the FatFs generic FAT file system module.","url":"https://junglewise.ai/threats/vendors/chan"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":7},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-6688","cvss":7.6,"slug":"cve-2026-6688-chan-fatfs-buffer-overflow-in-long-filename-handling","title":"ChaN FatFs buffer overflow in long filename handling","severity":"high","exploited":false,"published_at":"2026-07-01T15:17:13.013+00:00","url":"https://junglewise.ai/threats/cve-2026-6688-chan-fatfs-buffer-overflow-in-long-filename-handling"},{"cve":"CVE-2026-6687","cvss":7.6,"slug":"cve-2026-6687-chan-fatfs-stack-overflow-in-f-getlabel","title":"ChaN FatFs stack overflow in f_getlabel","severity":"high","exploited":false,"published_at":"2026-07-01T15:17:12.87+00:00","url":"https://junglewise.ai/threats/cve-2026-6687-chan-fatfs-stack-overflow-in-f-getlabel"},{"cve":"CVE-2026-6682","cvss":7.6,"slug":"cve-2026-6682-chan-fatfs-integer-overflow-in-mount-volume","title":"ChaN FatFs integer overflow in mount_volume","severity":"high","exploited":false,"published_at":"2026-07-01T15:17:12.313+00:00","url":"https://junglewise.ai/threats/cve-2026-6682-chan-fatfs-integer-overflow-in-mount-volume"},{"cve":"CVE-2026-6685","cvss":6.1,"slug":"cve-2026-6685-chan-fatfs-integer-underflow-in-f-read-and-f-write","title":"ChaN FatFs integer underflow in f_read and f_write","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.66+00:00","url":"https://junglewise.ai/threats/cve-2026-6685-chan-fatfs-integer-underflow-in-f-read-and-f-write"},{"cve":"CVE-2026-6686","cvss":4.6,"slug":"cve-2026-6686-chan-fatfs-uninitialized-cluster-exposure-in-f-lseek","title":"ChaN FatFs uninitialized cluster exposure in f_lseek","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.763+00:00","url":"https://junglewise.ai/threats/cve-2026-6686-chan-fatfs-uninitialized-cluster-exposure-in-f-lseek"},{"cve":"CVE-2026-6684","cvss":4.6,"slug":"cve-2026-6684-chan-fatfs-infinite-loop-in-gpt-partition-scanning","title":"ChaN FatFs infinite loop in GPT partition scanning","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.553+00:00","url":"https://junglewise.ai/threats/cve-2026-6684-chan-fatfs-infinite-loop-in-gpt-partition-scanning"},{"cve":"CVE-2026-6683","cvss":4.6,"slug":"cve-2026-6683-chan-fatfs-divide-by-zero-in-exfat-sync-logic","title":"ChaN FatFs divide by zero in exFAT sync logic","severity":"medium","exploited":false,"published_at":"2026-07-01T15:17:12.443+00:00","url":"https://junglewise.ai/threats/cve-2026-6683-chan-fatfs-divide-by-zero-in-exfat-sync-logic"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"ChaN FatFs","slug":"fatfs","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/fatfs"}]}