CVE-2023-53154: Medium severity cJSON cJSON vulnerability

Published May 23, 2025
·
Updated

parsestring in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSONParseWithLength is called.

Affected Software

5 affected componentsFixes available
cJSON cJSON<1.7.18
Cjson Project Cjson<1.7.18
Microsoft azl3 apparmor 3.1.7-1
Patch available
Microsoft cbl2 apparmor 3.0.4-5
Patch available
Microsoft cbl2 apparmor 3.0.4-4
Patch available

Event History

May 23, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Data Sourced
via Microsoft·08:32 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:32 AM
Affected Software
Updated
via Microsoft·08:32 AM
DescriptionSeverity
Updated
via Microsoft·08:32 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2023-53154?

CVE-2023-53154 is classified as a medium severity vulnerability due to its potential for exploitation via heap-based buffer over-read.

2

How do I fix CVE-2023-53154?

To mitigate CVE-2023-53154, upgrade to cJSON version 1.7.18 or later.

3

What versions of cJSON are affected by CVE-2023-53154?

CVE-2023-53154 affects cJSON versions earlier than 1.7.18.

4

What is the impact of CVE-2023-53154?

CVE-2023-53154 can lead to a heap-based buffer over-read, potentially allowing an attacker to access sensitive information.

5

How was CVE-2023-53154 discovered?

CVE-2023-53154 was identified through review of the cJSON code where improper handling of input strings could lead to the vulnerability.

Company

Resources

Contact

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CVE-2023-53154 - Medium severity cJSON cJSON vulnerability - SecAlerts