What’s Vulnerable › Vulnerabilities

CVE-2024-36387: Apache HTTP Server: DoS by Null pointer in websocket over HTTP/2

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-01 · updated 2026-06-17
• Weakness: CWE-476

Description

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.

Affected products

• Apache HTTP Server: from 2.4.55 through 2.4.59
• NetApp ONTAP 9: 9

References

• https://httpd.apache.org/security/vulnerabilities_24.html
• https://security.netapp.com/advisory/ntap-20240712-0001/
• http://www.openwall.com/lists/oss-security/2024/07/01/4
• https://httpd.apache.org/security/vulnerabilities_24.html
• https://security.netapp.com/advisory/ntap-20240712-0001/

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