Heap-based Buffer Overflow Affecting pocketsphinx package, versions [,5.1.1)
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-PYTHON-POCKETSPHINX-18319703
- published26 Jul 2026
- disclosed17 Jul 2026
- creditUnknown
Introduced: 17 Jul 2026
CVE-2026-54559 (opens in a new tab)How to fix?
Upgrade pocketsphinx to version 5.1.1 or higher.
Overview
pocketsphinx is an Official Python bindings for PocketSphinx
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the model loading process. An attacker can execute arbitrary code or cause a crash by supplying a crafted or malicious language or acoustic model file to the application. This is only exploitable if the directory specified by the POCKETSPHINX_PATH environment variable is writable by untrusted users.
Workaround
This vulnerability can be mitigated by ensuring that the POCKETSPHINX_PATH environment variable is either unset or set to a directory that is trusted and not writable by untrusted users.