CVE-2010-0434

What it is

The ap_read_request function in server/protocol.c in the Apache HTTP Server 2.2.x before 2.2.15, when a multithreaded MPM is used, does not properly handle headers in subrequests in certain circumstances involving a parent request that has a body, which might allow remote attackers to obtain sensitive information via a crafted request that triggers access to memory locations associated with an earlier request.

At a glance

Exploitability

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

Exploit odds

18.4% 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. 2010-03-05 19:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:16 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 18.4% in the next 30 days (EPSS).
• Severity: 4.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2010-03-05 19:30 UTC

Last modified

2026-06-16 23:16 UTC

Exploit probability

18.4% · EPSS, next 30 days

Weakness

CWE-200 · Information exposure

Record status

Modified

Affected

• Apache Http Server < 2.0.64
• Apache Http Server < 2.2.15
• Fedoraproject Fedora 11
• Fedoraproject Fedora 13
• Debian Linux 5.0
• Debian Linux 6.0

Attack profile CVSS 2.0 · 4.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

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-2010-0434.md and follow it. Check whether this project is affected by CVE-2010-0434. 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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