CVE-2018-14337
7.5
HIGH
CVSS 3.1
EPSS 0.36%
Description
The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length.
How to fix CVE-2018-14337
To remediate CVE-2018-14337, upgrade the affected package to a fixed version below.
- Debian/mruby—upgrade to 2.0.0-1 or later
Is CVE-2018-14337 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |