ALPINE-CVE-2018-18585 — Vulnetix

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ALPINE-CVE-2018-18585 PUBLISHED CVSS 4.300000190734863 MEDIUM

chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).

Risk Scores

CVSS v3.1

4.300000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Products

Vendor	Product	Versions
Alpine:v3.6	libmspack	0, 0.7.1, 0.5
Alpine:v3.10	libmspack	0, 0.5, 0.7.1
Alpine:v3.7	libmspack	0.7.1_alpha-r0, 0, 0.5
Alpine:v3.11	libmspack	0.5, 0.7.1, 0.5_alpha-r1
Alpine:v3.8	libmspack	0, 0, 0.5
Alpine:v3.9	libmspack	0, 0.5, 0.7.1

Timeline

Oct 23, 2018 CVE Published
Nov 19, 2025 CVE Updated
Apr 30, 2026 Distribution Patch

References

https://security.alpinelinux.org/vuln/CVE-2018-18585 advisory

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