CVE-2016-10749

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2.5%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

parse_string in cJSON.c in cJSON before 2016-10-02 has a buffer over-read, as demonstrated by a string that begins with a " character and ends with a \ character.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
50
EG Risk 50/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
2.5%
EPSS %ILE
84th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

April 29, 2019

Last Modified

July 22, 2025

Advisory Details (3)

Auto-updated Oct 9, 2026
Patch available. Sources: github_commit.
generic

oss-security - CVE request: cJSON buffer out of bound read

https://www.openwall.com/lists/oss-security/2016/11/07/2
generic

cJSON buffer overflow with odd formatted JSON string · Issue #30 · DaveGamble/cJSON · GitHub

https://github.com/DaveGamble/cJSON/issues/30
github_commit Patch Available

commit 94df772485c9 (DaveGamble/cJSON)

Patch available: DaveGamble/cJSON v1.5.1 (contains commit 94df772485c9)

https://github.com/DaveGamble/cJSON/commit/94df772485c92866ca417d92137747b2e3b0a917

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 153 total refreshes for this CVE.

  1. 2026-10-09 20:01 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2016-10749?
CVE-2016-10749 is a critical vulnerability published on April 29, 2019. parse_string in cJSON.c in cJSON before 2016-10-02 has a buffer over-read, as demonstrated by a string that begins with a " character and ends with a \ character.
When was CVE-2016-10749 disclosed?
CVE-2016-10749 was first published on April 29, 2019, with the most recent update on July 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-10749 actively exploited?
CVE-2016-10749 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.5% probability of exploitation in the next 30 days (84th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2016-10749?
CVE-2016-10749 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-10749?
A fix for CVE-2016-10749 is available: update to the fixed version the vendor names in its advisory.

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