NULL Pointer Dereference Affecting libmspack package, versions <0.8-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
3.09% (87th percentile)

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  • Snyk IDSNYK-ECHOLATEST-LIBMSPACK-21173039
  • published17 Oct 2026
  • disclosed23 Oct 2018

Introduced: 23 Oct 2018

CVE-2018-18585  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Echo:latest libmspack to version 0.8-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libmspack package and not the libmspack package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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).

CVSS Base Scores

version 3.1