CVE-2016-10749

Exp

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.

Published: 2019-04-29 Last update: 2025-07-22 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-10749 is rated High Exploit Risk (77.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.54%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2016-10749

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2016-10749

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-30 0.57% 0.54% -0.03%
2 2025-03-30 1.42% 0.57% -0.85%
3 2025-03-29 — 1.42% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-10749

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2016-10749

OS Trackers for CVE-2016-10749

vendor priority summary link
debian unimportant CVE-2016-10749 unimportant priority: Debian including 1 source packages (cjson), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-10749
ubuntu medium CVE-2016-10749 medium priority: Ubuntu including 1 source packages (cjson), 6 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): DNE 3, not-affected 3. https://ubuntu.com/security/CVE-2016-10749

Affected software / configurations for CVE-2016-10749

Vendor Product Version Raw CPE
davegamble cjson < 0.0.0 cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:*

References for CVE-2016-10749

URL Tags
https://github.com/DaveGamble/cJSON/commit/94df772485c92866ca417d92137747b2e3b0a917 Patch Third Party Advisory
https://github.com/DaveGamble/cJSON/issues/30 Exploit Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2016/11/07/2 Exploit Mailing List Patch Third Party Advisory
cvelogic Threat Intelligence