What’s Vulnerable › Vulnerabilities
CVE-2018-6332
- Severity: medium (CVSS 5.9 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-12-03 · updated 2026-06-17
- Weakness: CWE-400
Description
A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 settings which can cause the server to spend disproportionate resources. This affects all supported versions of HHVM (3.24.3 and 3.21.7 and below) when using the proxygen server to handle HTTP2 requests.
Affected products
- Facebook HHVM: through 3.21.7; 3.24.3
References
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