CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
cJSON through 1.7.19 is vulnerable to uncontrolled recursion leading to stack exhaustion when an untrusted RFC 6902 JSON Patch is applied via cJSONUtils_ApplyPatches() or cJSONUtils_ApplyPatchesCaseSensitive(). A patch containing add and copy operations grafts duplicated subtrees to amplify document depth beyond the parser's nesting limit: cJSON_Delete() recurses with no depth bound, and the cJSON_Duplicate() guard CJSON_CIRCULAR_LIMIT is set to 10000, ten times the parser's 1000-level nesting limit and high enough to overflow a default thread stack. An attacker who can supply the patch document can crash the process, resulting in denial of service.
Засегнати продукти
- DaveGamble cJSON: до 1.7.19
Вид слабост
История
- 29 юли 2026 Публикувано
Други уязвимости в DaveGamble cJSON
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-67215
- https://nvd.nist.gov/vuln/detail/CVE-2026-67215
- https://joshua.hu/cjson-json-parser-cve-vulnerabilities
- https://github.com/DaveGamble/cJSON/blob/v1.7.19/cJSON.c#L253-L261
- https://github.com/DaveGamble/cJSON/blob/v1.7.19/cJSON_Utils.c#L906-L940
- https://www.vulncheck.com/advisories/cjson-json-patch-copy-add-uncontrolled-recursion-stack-exhaustion