{"schema_version":1,"title":"Mrubyc vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Mrubyc: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86547, was published on 9 September 2026.","url":"https://junglewise.ai/threats/technologies/mrubyc","json_url":"https://junglewise.ai/threats/technologies/mrubyc.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/technologies/mrubyc","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-86547","cvss":6.2,"epss":0.0018,"slug":"cve-2026-86547-mrubyc-null-pointer-dereference-in-op-enter-handler","title":"mrubyc null pointer dereference in op_enter handler","severity":"medium","exploited":false,"published_at":"2026-09-09T10:22:33.803+00:00","url":"https://junglewise.ai/threats/cve-2026-86547-mrubyc-null-pointer-dereference-in-op-enter-handler"},{"cve":"CVE-2026-38976","slug":"cve-2026-38976-mrubyc-null-pointer-dereference-in-op-super","title":"mrubyc NULL pointer dereference in op_super","severity":"info","exploited":false,"published_at":"2026-07-06T22:16:48.9+00:00","url":"https://junglewise.ai/threats/cve-2026-38976-mrubyc-null-pointer-dereference-in-op-super"},{"cve":"CVE-2026-38973","cvss":0,"slug":"cve-2026-38973-mrubyc-out-of-bounds-read-in-mrbc-find-method","title":"mrubyc out-of-bounds read in mrbc_find_method","severity":"info","exploited":false,"published_at":"2026-07-06T22:16:48.767+00:00","url":"https://junglewise.ai/threats/cve-2026-38973-mrubyc-out-of-bounds-read-in-mrbc-find-method"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":2},{"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":1},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Mrubyc","slug":"mrubyc","vendor":{"name":"Mrubyc","slug":"mrubyc","url":"https://junglewise.ai/threats/vendors/mrubyc"},"aliases":[],"category":"library","homepage":"https://www.mruby.org/","repo_url":"https://github.com/mrubyc/mrubyc","description":"An implementation of the Ruby programming language designed for microcontrollers with limited memory.","url":"https://junglewise.ai/threats/technologies/mrubyc"},"most_severe":[{"cve":"CVE-2026-86547","cvss":6.2,"epss":0.0018,"slug":"cve-2026-86547-mrubyc-null-pointer-dereference-in-op-enter-handler","title":"mrubyc null pointer dereference in op_enter handler","severity":"medium","exploited":false,"published_at":"2026-09-09T10:22:33.803+00:00","url":"https://junglewise.ai/threats/cve-2026-86547-mrubyc-null-pointer-dereference-in-op-enter-handler"},{"cve":"CVE-2026-38973","cvss":0,"slug":"cve-2026-38973-mrubyc-out-of-bounds-read-in-mrbc-find-method","title":"mrubyc out-of-bounds read in mrbc_find_method","severity":"info","exploited":false,"published_at":"2026-07-06T22:16:48.767+00:00","url":"https://junglewise.ai/threats/cve-2026-38973-mrubyc-out-of-bounds-read-in-mrbc-find-method"},{"cve":"CVE-2026-38976","slug":"cve-2026-38976-mrubyc-null-pointer-dereference-in-op-super","title":"mrubyc NULL pointer dereference in op_super","severity":"info","exploited":false,"published_at":"2026-07-06T22:16:48.9+00:00","url":"https://junglewise.ai/threats/cve-2026-38976-mrubyc-null-pointer-dereference-in-op-super"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}