VDB
CVE-2018-12247
CVE-2018-12247
PUBLISHED
An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).
EPSS 0.27% · 51.2th percentile
Risk Scores
EPSS Score
0.27%
51.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | mruby | 0, 3.3.0-1 |
| Ubuntu:16.04:LTS | mruby | 1.1.0+20150906+git1cbbb7e1-1, 1.1.0+20150817+gita1731254-1, 0 |
| Ubuntu:18.04:LTS | mruby | 1.3.0-1, 1.3.0+20171029+git77edafb0-1, 1.4.0-1 |
| Ubuntu:20.04:LTS | mruby | 0, 2.0.0-1 |
| Ubuntu:24.04:LTS | mruby | 3.2.0-2, 3.2.0-1, 0 |
| Ubuntu:22.04:LTS | mruby | 0, 2.1.2-3, 3.0.0-3 |
Exploit Intelligence
Timeline
- Jun 12, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-12247 third-party-advisory
- https://github.com/mruby/mruby/commit/55edae0226409de25e59922807cb09acb45731a2 third-party-advisory
- https://github.com/mruby/mruby/issues/4036 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-12247 third-party-advisory