{"cve":"CVE-2017-9527","nvd":{"published":"2017-06-11T17:29:00.160","modified":"2026-06-17T01:28:18.387","status":"Modified","description":"The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99","https://github.com/mruby/mruby/issues/3486","https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html","https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99","https://github.com/mruby/mruby/issues/3486"],"products":["debian:debian_linux","mruby:mruby"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2017-9527","score":0.0097,"percentile":0.61895,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}