Directory Traversal Affecting zziplib package, versions <0.13.78+dfsg.1-0.1+e1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.54% (72nd percentile)

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  • Snyk IDSNYK-ECHOLATEST-ZZIPLIB-18022604
  • published20 Jul 2026
  • disclosed1 Oct 2018

Introduced: 1 Oct 2018

CVE-2018-17828  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade Echo:latest zziplib to version 0.13.78+dfsg.1-0.1+e1 or higher.

NVD Description

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

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.