CVE-2018-18586
5.3
MEDIUM
CVSS 3.1
EPSS 0.61%
Description
chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: the vendor disputes that this is a libmspack vulnerability, because chmextract.c was only intended as a source-code example, not a supported application
How to fix CVE-2018-18586
To remediate CVE-2018-18586, upgrade the affected package to a fixed version below.
- —upgrade to 0.8_alpha-r0 or later
- —upgrade to 0.8-1 or later
Is CVE-2018-18586 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.8_alpha-r0
- from 0, < 0.8-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |