2.9
CWE
440
Advisory Published
Updated

CVE-2023-26819

First published: Sat Apr 19 2025(Updated: )

cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
cJSON

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Frequently Asked Questions

  • What is the severity of CVE-2023-26819?

    CVE-2023-26819 is categorized as a denial-of-service vulnerability.

  • How do I fix CVE-2023-26819?

    To fix CVE-2023-26819, upgrade to a patched version of cJSON that addresses this vulnerability.

  • What kind of attack does CVE-2023-26819 enable?

    CVE-2023-26819 enables denial-of-service attacks through crafted JSON documents.

  • Which versions of cJSON are affected by CVE-2023-26819?

    CVE-2023-26819 affects cJSON version 1.7.15 and possibly earlier versions.

  • What causes the vulnerability in CVE-2023-26819?

    The vulnerability in CVE-2023-26819 is caused by improper handling of large numeric values in JSON documents.

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