CVE-2017-9527
mruby - security update
7.8
HIGH
CVSS 3.1
EPSS 0.20%
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.
How to fix CVE-2017-9527
To remediate CVE-2017-9527, upgrade the affected package to a fixed version below.
- Debian/mruby—upgrade to 1.3.0-1 or later
- —upgrade to 1.2.0+20161228+git30d5424a-1+deb9u1 or later
Is CVE-2017-9527 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.3.0-1
- from 0, < 1.2.0+20161228+git30d5424a-1+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |