Improper Null Termination Affecting stedolan/jq package, versions [,1.8.2-rc1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-UNMANAGED-STEDOLANJQ-16305518
- published27 Apr 2026
- disclosed14 Apr 2026
- creditHO-9
Introduced: 14 Apr 2026
CVE-2026-33948 (opens in a new tab)How to fix?
Upgrade stedolan/jq to version 1.8.2-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Null Termination via the input process. An attacker can cause downstream consumers to process malicious data by supplying JSON input containing an embedded NUL byte, resulting in only the prefix being validated while the trailing data is ignored.