parsestring in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSONParseWithLength is called.
{
"cwe_ids": [
"CWE-125"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53154.json",
"cna_assigner": "mitre"
}