CVE-2017-9527

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/mruby/mruby/issues/3486 patch exploit third party advisory issue tracking
https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 patch third party advisory issue tracking
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-9527?
CVE-2017-9527 has been scored as a high severity vulnerability.
How to fix CVE-2017-9527?
To fix CVE-2017-9527, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9527 being actively exploited in the wild?
It is possible that CVE-2017-9527 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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