HOMEVULNERABILITIESCVE-2019-1010239
HIGH

CVE-2019-1010239

CWE-476Published: July 19, 2019· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

DaveGamble/cJSON cJSON 1.7.8 is affected by: Improper Check for Unusual or Exceptional Conditions. The impact is: Null dereference, so attack can cause denial of service. The component is: cJSON_GetObjectItemCaseSensitive() function. The attack vector is: crafted json file. The fixed version is: 1.7.9 and later.

NVD Source

Technical Analysis

CVE-2019-1010239 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

davegamble1 product(s)
cjson
Oracle1 product(s)
timesten in-memory database
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/DaveGamble/cJSON/commit/be749d7efa7c9021da746e685bd6dec79f9dd99b
PATCHhttps://www.oracle.com/security-alerts/cpuoct2020.html
PATCHhttps://github.com/DaveGamble/cJSON/commit/be749d7efa7c9021da746e685bd6dec79f9dd99b
PATCHhttps://www.oracle.com/security-alerts/cpuoct2020.html
ADVISORYhttps://github.com/DaveGamble/cJSON/issues/315
ADVISORYhttps://github.com/DaveGamble/cJSON/issues/315

All References (6)

→
https://github.com/DaveGamble/cJSON/commit/be749d7efa7c9021da746e685bd6dec79f9dd99bPatch · Third Party Advisory
→
https://github.com/DaveGamble/cJSON/issues/315Exploit · Issue Tracking · Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch · Third Party Advisory
→
https://github.com/DaveGamble/cJSON/commit/be749d7efa7c9021da746e685bd6dec79f9dd99bPatch · Third Party Advisory
→
https://github.com/DaveGamble/cJSON/issues/315Exploit · Issue Tracking · Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch · Third Party Advisory

Quick Facts

CVE IDCVE-2019-1010239
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
Affected2 vendor(s)
PublishedJul 19, 2019

Related CVEs (CWE-476)

CVE-2010-2495
10.0
CVE-2022-36648
10.0
CVE-2015-8787
9.8
CVE-2015-9073
9.8
CVE-2015-9043
9.8
CVE-2016-10344
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-1010239 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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