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Vulnerability record · CVE-2016-10749 · published 29 April 2019

CVE-2016-10749: Davegamble cjson out-of-bounds read vulnerability

DDavegamble · Cjson

parse_string in cJSON.c in cJSON before 2016-10-02 has a buffer over-read, as demonstrated by a string that begins with a " character and ends with a \ character.

9.8 CVSS 3.1 Critical EPSS 2.5% · top 16.1% CWE-125 · Out-of-bounds read
9.8CVSS 3.1 base score, v2 7.5
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

parse_string in cJSON.c in cJSON before 2016-10-02 has a buffer over-read, as demonstrated by a string that begins with a " character and ends with a \ character.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/DaveGamble/cJSON/commit/94df772485c92866ca417d92137747b2e3b0a917 PatchThird Party Advisory
https://github.com/DaveGamble/cJSON/issues/30 ExploitPatchThird Party Advisory
https://www.openwall.com/lists/oss-security/2016/11/07/2 ExploitMailing ListPatchThird Party Advisory
https://github.com/DaveGamble/cJSON/commit/94df772485c92866ca417d92137747b2e3b0a917 PatchThird Party Advisory
https://github.com/DaveGamble/cJSON/issues/30 ExploitPatchThird Party Advisory
https://www.openwall.com/lists/oss-security/2016/11/07/2 ExploitMailing ListPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-57052Davegamble cjson out-of-bounds read vulnerabilitycJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers t…EPSS 0.74%9.8CVE-2019-11834Davegamble cjson out-of-bounds read vulnerabilitycJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.EPSS 2.5%9.8CVE-2019-11835Davegamble cjson out-of-bounds read vulnerabilitycJSON before 1.7.11 allows out-of-bounds access, related to multiline comments.EPSS 2.6%9.8CVE-2018-1000217Davegamble cjson use after free vulnerabilityDave Gamble cJSON version 1.7.3 and earlier contains a CWE-416: Use After Free vulnerability in cJSON library that can result in Possible crash, corr…EPSS 1.8%8.8CVE-2018-1000216Davegamble cjson double free vulnerabilityDave Gamble cJSON version 1.7.2 and earlier contains a CWE-415: Double Free vulnerability in cJSON library that can result in Possible crash or RCE. …EPSS 1.5%8.7CVE-2026-67215Davegamble cjson vulnerabilitycJSON through 1.7.19 is vulnerable to uncontrolled recursion leading to stack exhaustion when an untrusted RFC 6902 JSON Patch is applied via cJSONUt…EPSS 0.70%8.2CVE-2026-67216Davegamble cjson vulnerabilitycJSON through 1.7.19 contains an inefficient algorithmic complexity flaw in cJSON_Compare(). When comparing objects, the function recurses into each …EPSS 0.65%7.5CVE-2023-50471Davegamble cjson null pointer dereference vulnerabilitycJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_InsertItemInArray at cJSON.c.EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2016-10749), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.