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parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSON_ParseWithLength is called.

🗓️ 04 Sep 2025 08:32:31Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

cJSON before 1.7.18 has a heap over-read when parsing {"1":1} with no trailing newline.

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21 Feb 2026 11:12Current
7High risk
Vulners AI Score7
CVSS 3.12.9 - 5.5
EPSS0.00089
SSVC
1