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    CVE-2018-1000215

    Dave Gamble cJSON version 1.7.6 and earlier contains a CWE-772 vulnerability in cJSON library that can result in Denial of Service (DoS). This attack appear to be exploitable via If the attacker can force the data to be printed and the system is in low memory it can force a leak of memory. This vulnerability appears to have been fixed in 1.7.7.

    Published:Aug 20, 2018
    Last Modified:Jul 22, 2025
    EPS:Aug 20, 2018
    EPSS Score:0.00679
    CVSS Score:7.5

    Affected Products

    Vendor
    Davegamble
    Product
    Cjson

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-469 HTTP DoS

    Related CVEs

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    CVE-2026-67216 (CVSS 8.2) — cJSON through 1.7.19 contains an inefficient algorithmic complexity flaw in cJSON_Compare(). When comparing ob…
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    CVE-2026-16554 (CVSS 5.1) — cJSON library is vulnerable to an integer overflow in the print_string_ptr() function in cJSON.c on 32-bit pla…
    CVE-2025-57052 (CVSS 9.8) — cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJS…
    CVE-2023-50471 (CVSS 7.5) — cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_InsertItemInArray at c…
    CVE-2023-50472 (CVSS 7.5) — cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_SetValuestring at cJSO…
    CVE-2019-1010239 (CVSS 7.5) — DaveGamble/cJSON cJSON 1.7.8 is affected by: Improper Check for Unusual or Exceptional Conditions. The impact …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High