CVE-2024-36387

Publication date 1 July 2024

Last updated 30 May 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.4 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
apache2 24.10 oracular
Fixed 2.4.62-1ubuntu1
24.04 LTS noble
Fixed 2.4.58-1ubuntu8.2
23.10 mantic
Fixed 2.4.57-2ubuntu2.5
22.04 LTS jammy
Fixed 2.4.52-1ubuntu4.10
20.04 LTS focal
Fixed 2.4.41-4ubuntu3.19
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

mdeslaur

While this issue was introduced in 2.4.55, the http2 module was backported to earlier Ubuntu releases.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
apache2

Severity score breakdown

Parameter Value
Base score 5.4 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L