What’s Vulnerable › Vulnerabilities

CVE-2017-9527

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-06-11 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Debian Linux: 9.0
• mruby/mruby: through 1.2.0

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
• https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html

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