REDHAT-BUG-2392894: High severity cJSON cJSON vulnerability

Published Sep 3, 2025
·
Updated

cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decodearrayindexfrompointer function in cJSONUtils.c, allowing remote attackers to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters.

Affected Software

1 affected component
cJSON cJSON>=1.5.0<=1.7.18

Event History

Sep 3, 2025
Data Sourced
via Red Hat·03:01 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2392894?

The severity of REDHAT-BUG-2392894 is critical due to the potential for out-of-bounds access and data exposure.

2

How do I fix REDHAT-BUG-2392894?

To fix REDHAT-BUG-2392894, upgrade your cJSON library to version 1.7.19 or later.

3

What type of vulnerability is REDHAT-BUG-2392894?

REDHAT-BUG-2392894 is an out-of-bounds access vulnerability that affects cJSON versions 1.5.0 through 1.7.18.

4

Who is affected by REDHAT-BUG-2392894?

Developers and users of the cJSON library versions 1.5.0 to 1.7.18 are affected by REDHAT-BUG-2392894.

5

Can REDHAT-BUG-2392894 be exploited remotely?

Yes, REDHAT-BUG-2392894 can be exploited remotely by attackers using specially crafted JSON pointer strings.

Contact

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