CVE-2018-18586
MEDIUM5.3EPSS 0.61%Published: 10/23/2018Modified: 4/28/2026
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
Affected packages (2)
- Alpine/libmspackfrom 0, < 0.8_alpha-r0
- Debian/libmspackfrom 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 |