Directory Traversal Affecting unrar-nonfree package, versions <1:5.5.8-1
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-ECHOLATEST-UNRARNONFREE-18767128
- published14 Aug 2026
- disclosed18 Aug 2017
Introduced: 18 Aug 2017
CVE-2017-12938 (opens in a new tab)How to fix?
Upgrade Echo:latest unrar-nonfree to version 1:5.5.8-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream unrar-nonfree package and not the unrar-nonfree package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. directory, and a regular file.