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    CVE-2019-11834

    cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.

    Published:May 9, 2019
    Last Modified:Jul 22, 2025
    EPS:May 9, 2019
    EPSS Score:0.00621
    CVSS Score:9.8

    Affected Products

    Vendor
    Davegamble
    Product
    Cjson
    Vendor
    Oracle
    Product
    Timesten In-memory Database

    Exploits

    https://github.com/DaveGamble/cJSON/issues/337https://github.com/DaveGamble/cJSON/issues/337

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-87933 (CVSS 5.5) — A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_Me…
    CVE-2026-29036 (CVSS 8.7) — cJSON versions 1.5.0 through 1.7.19 contain an incorrectly-resolved name or reference vulnerability in the dec…
    CVE-2026-67217 (CVSS 6.9) — cJSON through 1.7.19 applies RFC 6902 JSON Patch operations non-atomically in apply_patch() in cJSON_Utils.c. …
    CVE-2026-67216 (CVSS 8.2) — cJSON through 1.7.19 contains an inefficient algorithmic complexity flaw in cJSON_Compare(). When comparing ob…
    CVE-2026-67215 (CVSS 8.7) — cJSON through 1.7.19 is vulnerable to uncontrolled recursion leading to stack exhaustion when an untrusted RFC…
    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