What’s Vulnerable › Vulnerabilities

CVE-2019-12207

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-20 · updated 2026-06-17
• Weakness: CWE-125

Description

njs through 0.3.1, used in NGINX, has a heap-based buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c.

Affected products

• F5 Njs: through 0.3.1

References

• https://github.com/nginx/njs/issues/168
• https://github.com/nginx/njs/issues/168

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