What’s Vulnerable › Vulnerabilities

CVE-2019-11834

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-09 · updated 2026-06-17
• Weakness: CWE-125

Description

cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.

Affected products

• DaveGamble cJSON: before 1.7.11 — fixed in 1.7.11
• Oracle Corporation TimesTen In-Memory Database: before 18.1.3.1.0 — fixed in 18.1.3.1.0

How to fix

Upgrade to a fixed version: DaveGamble cJSON 1.7.11; Oracle Corporation TimesTen In-Memory Database 18.1.3.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/DaveGamble/cJSON/compare/c69134d...93688cb
• https://github.com/DaveGamble/cJSON/issues/337
• https://github.com/DaveGamble/cJSON/releases/tag/v1.7.11
• https://www.oracle.com/security-alerts/cpuoct2020.html
• https://github.com/DaveGamble/cJSON/compare/c69134d...93688cb
• https://github.com/DaveGamble/cJSON/issues/337
• https://github.com/DaveGamble/cJSON/releases/tag/v1.7.11
• https://www.oracle.com/security-alerts/cpuoct2020.html

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