Uncontrolled Recursion Affecting protobuf package, versions [,5.29.6)[6.30.1,6.33.5)
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-CONAN-PROTOBUF-15170834
- published2 Feb 2026
- disclosed23 Jan 2026
- creditUnknown
Introduced: 23 Jan 2026
CVE-2026-0994 (opens in a new tab)How to fix?
Upgrade protobuf to version 5.29.6, 6.33.5 or higher.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion in the ParseDict() function, when handling deeply nested google.protobuf.Any messages. An attacker can bypass max_recursion_depth to exhaust the recursion stack and trigger a RecursionError.