CVE-2015-0228

What it is

The lua_websocket_read function in lua_request.c in the mod_lua module in the Apache HTTP Server through 2.4.12 allows remote attackers to cause a denial of service (child-process crash) by sending a crafted WebSocket Ping frame after a Lua script has called the wsupgrade function.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

16.9% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2015-03-08 02:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:19 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 16.9% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2015-03-08 02:59 UTC

Last modified

2026-06-17 00:19 UTC

Exploit probability

16.9% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Apache Http Server ≤ 2.4.12
• Canonical Ubuntu Linux 10.04
• Canonical Ubuntu Linux 12.04
• Canonical Ubuntu Linux 14.04
• Canonical Ubuntu Linux 14.10
• Apple Mac Os X 10.10.4
• Apple Mac Os X Server 5.0.3
• Opensuse 13.2

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-0228.md and follow it. Check whether this project is affected by CVE-2015-0228. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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