Improper Validation of Array Index in GJSON

HIGH 7.5CVE-2020-36067 · GHSA-p64j-r5f4-pwwx · GO-2021-0054 · Published 05/01/2021 · updated 17/06/2026

In short

CVE-2020-36067 is a HIGH (CVSS 7.5) vulnerability affecting github.com/tidwall/gjson, gjson (gjson project).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 73.4% of all vulnerabilities.
Fix: update to 1.6.6 or later.

Package	Affected versions	Patched versions
github.com/tidwall/gjson Go	`< 1.6.6`	`1.6.6`
gjson gjson_project	`≤ 1.6.5`	No fix yet

GJSON < 1.6.6 allows attackers to cause a denial of service (panic: runtime error: slice bounds out of range) via a crafted GET call.

NVD description

GJSON <=v1.6.5 allows attackers to cause a denial of service (panic: runtime error: slice bounds out of range) via a crafted GET call.

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