Directory Traversal Affecting zziplib package, versions <0.13.69-r2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE323-ZZIPLIB-14185035
- published4 Dec 2025
- disclosed1 Oct 2018
Introduced: 1 Oct 2018
CVE-2018-17828 (opens in a new tab)How to fix?
Upgrade Alpine:3.23 zziplib to version 0.13.69-r2 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 Alpine.
See How to fix? for Alpine:3.23 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.