What’s Vulnerable › Vulnerabilities

CVE-2017-2428

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-02 · updated 2026-06-17

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves nghttp2 before 1.17.0 in the "HTTPProtocol" component. It allows remote HTTP/2 servers to have an unspecified impact via unknown vectors.

Affected products

• Apple Iphone Os: through 10.2.1
• macOS: through 10.12.3
• Apple tvOS: through 10.1.1
• Apple watchOS: through 3.1.3

References

• http://www.securityfocus.com/bid/97146
• http://www.securitytracker.com/id/1038138
• https://github.com/nghttp2/nghttp2/releases/tag/v1.17.0
• https://support.apple.com/HT207601
• https://support.apple.com/HT207602
• https://support.apple.com/HT207615
• https://support.apple.com/HT207617
• http://www.securityfocus.com/bid/97146
• http://www.securitytracker.com/id/1038138
• https://github.com/nghttp2/nghttp2/releases/tag/v1.17.0
• https://support.apple.com/HT207601
• https://support.apple.com/HT207602

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