CVE-2023-26819
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2023-26819
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
预期行为违背
Source: CVE Program / CVE List V5
Vulnerability Title
cJSON 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cJSON是Dave Gamble个人开发者的一款轻量级的开源JSON解析器。 cJSON 1.7.15版本存在安全漏洞，该漏洞源于处理特制JSON文档时可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| cJSON Project | cJSON | 1.7.15 | - |
II. Public POCs for CVE-2023-26819
| # | POC Description | Source Link | Shenlong Link |
|---|
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Proof of Concept for CVE-2023-26819 (1)
IV. Related Vulnerabilities
Same product: cJSON
- CVE-2026-29036
cJSON 1.7.19 Wrong-Key Modification via JSON Pointer Escape - CVE-2026-67216
cJSON cJSON_Compare Exponential Complexity Denial of Service - CVE-2026-67217
cJSON JSON Patch Non-Atomic Application Destroys Data Before - CVE-2026-67215
cJSON JSON Patch copy/add Uncontrolled Recursion Stack Exhau - CVE-2026-16554
Integer Overflow Leading to Heap Buffer Overflow in cJSON
Same vendor: cJSON Project
Same weakness: CWE-440
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WordPress Stripe Payments plugin <= 2.0.98 - Bypass Vulnerab - CVE-2026-49316
Indian Scout Bobber 2025 WCM CAN bus-off attack silently byp - CVE-2026-42534
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V. Comments for CVE-2023-26819
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