7.8high
CVE-2017-9527
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…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.0%
percentile 62%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
0.97% probability of exploitation in the next 30 days, higher than 62% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
- CWE-416 Use After Free
References
- github.com /mruby/mruby/issues/3486 · x_refsource_CONFIRM, x_transferred
- github.com /mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 · x_refsource_CONFIRM, x_transferred
- lists.debian.org /debian-lts-announce/2022/05/msg00006.html · mailing-list, x_refsource_MLIST, x_transferred
Sources
- CVE List: CVE-2017-9527
- NVD: CVE-2017-9527
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