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CVE-2026-29975

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lightweight JSON text parser是Tilen Majerle个人开发者的一个轻量级JSON文本解析库。 Lightweight JSON text parser 1.8.1版本存在安全漏洞，该漏洞源于流式JSON解析器中字符串结束检测逻辑错误识别转义引号字符，可能导致远程攻击者发送格式正确的JSON造成应用程序无限挂起，导致拒绝服务。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.75% · P53

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-29975

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
lwjson 1.8.1 contains an improper input validation vulnerability in the streaming JSON parser (lwjson_stream.c). The end-of-string detection logic incorrectly identifies escaped quote characters by only checking the immediately preceding character rather than counting consecutive backslashes, causing valid JSON strings ending with an escaped backslash (like "\\") to never terminate parsing. A remote attacker can send well-formed JSON to cause applications using lwjson_stream_parse() to hang indefinitely, resulting in denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Lightweight JSON text parser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lightweight JSON text parser是Tilen Majerle个人开发者的一个轻量级JSON文本解析库。 Lightweight JSON text parser 1.8.1版本存在安全漏洞，该漏洞源于流式JSON解析器中字符串结束检测逻辑错误识别转义引号字符，可能导致远程攻击者发送格式正确的JSON造成应用程序无限挂起，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
- n/a n/a -

II. Public POCs for CVE-2026-29975

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III. Intelligence Information for CVE-2026-29975

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Patches & Fixes for CVE-2026-29975 (1)

Proof of Concept for CVE-2026-29975 (1)

Other References for CVE-2026-29975 (1)

Same Patch Batch · n/a · 2026-05-08 · 40 CVEs total

CVE-2026-8127 6.3 MEDIUM eladmin Users API Endpoint UserController.java checkLevel access control
CVE-2026-8123 4.3 MEDIUM Open5GS NSSF message.c ogs_sbi_discovery_option_add_snssais denial of service
CVE-2026-8122 4.3 MEDIUM Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of service
CVE-2026-8121 4.3 MEDIUM Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service
CVE-2026-8120 4.3 MEDIUM Open5GS NSSF nnssf-handler.c denial of service
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CVE-2026-37431 Beauty Parlour Management System SQL注入漏洞
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CVE-2026-29972 nanoMODBUS 安全漏洞
CVE-2026-29974 minmea 安全漏洞

Showing top 20 of 40 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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