CVE catalog
CVE-2018-12247
mruby: CVE-2018-12247
- Severity
- Low
- Source
- [NVD] · [CVE record]
- EPSS
- 1.49% · Oct 25, 2026
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).
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | mruby | sid | 4.0.0-1 | not affected |
| Debian | mruby | forky | 4.0.0-1 | not affected |
| Debian | mruby | trixie | 3.3.0-1 | not affected |
| Debian | mruby | bookworm | 3.1.0-3 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mruby | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | mruby | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | mruby | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | mruby | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libmruby-dev]Not affected
Source package: [mruby]
Details (2)
3.1.0-3· amd64 · bookwormNot affected
dsa · mruby · debian · bookworm
3.1.0-3· arm64 · bookwormNot affected
dsa · mruby · debian · bookworm
- [mruby]Not affected
Details (2)
3.1.0-3· amd64 · bookwormNot affected
dsa · mruby · debian · bookworm
3.1.0-3· arm64 · bookwormNot affected
dsa · mruby · debian · bookworm
Observed: