CVE-2011-0419

What it is

Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS X 10.6, Oracle Solaris 10, and Android, allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via *? sequences in the first argument, as demonstrated by attacks against mod_autoindex in httpd.

At a glance

Exploitability

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

Exploit odds

30.4% 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. 2011-05-16 17:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:27 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 30.4% in the next 30 days (EPSS).
• Severity: 4.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2011-05-16 17:55 UTC

Last modified

2026-06-16 23:27 UTC

Exploit probability

30.4% · EPSS, next 30 days

Weakness

CWE-770 · Allocation without limits

Record status

Modified

Affected

• Apache Portable Runtime < 1.4.3
• Apache Http Server ≤ 2.0.65
• Apache Http Server ≤ 2.2.18
• Apple Mac Os X 10.6.0
• Freebsd
• Google Android
• Netbsd 5.1
• Openbsd 4.8

Attack profile CVSS 2.0 · 4.3

Attack vector

Network

Complexity

Medium

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-2011-0419.md and follow it. Check whether this project is affected by CVE-2011-0419. 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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