What’s Vulnerable › Vulnerabilities

CVE-2018-20579

• Severity: high (CVSS 7.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-28 · updated 2026-06-17
• Weakness: CWE-787

Description

Contiki-NG before 4.2 has a stack-based buffer overflow in the push function in os/lib/json/jsonparse.c that allows an out-of-bounds write of an '{' or '[' character.

Affected products

• Contiki-Ng Project Contiki-Ng: 4.2

References

• https://github.com/contiki-ng/contiki-ng/issues/601
• https://github.com/contiki-ng/contiki-ng/issues/601

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