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GHSA-p64j-r5f4-pwwx

HIGH

GHSA-p64j-r5f4-pwwx is a high-severity (CVSS 7.5) CWE-129 vulnerability in github.com/tidwall/gjson. O3 Security confirms whether GHSA-p64j-r5f4-pwwx is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Improper Validation of Array Index in GJSON

Also known asCVE-2020-36067GO-2021-0054
Published
Feb 6, 2023
Updated
Nov 8, 2023
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🐹github.com/tidwall/gjson

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/tidwall/gjsonall versions1.6.6

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/tidwall/gjson. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update github.com/tidwall/gjson to 1.6.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-p64j-r5f4-pwwx is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-p64j-r5f4-pwwx is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-p64j-r5f4-pwwx. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

Is GHSA-p64j-r5f4-pwwx in your dependencies?

O3 detects GHSA-p64j-r5f4-pwwx across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.