CVE-2008-4482

What it is

The XML parser in Xerces-C++ before 3.0.0 allows context-dependent attackers to cause a denial of service (stack consumption and crash) via an XML schema definition with a large maxOccurs value, which triggers excessive memory consumption during validation of an XML file.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

4.2% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2008-10-08 02:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:57 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 4.2% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2008-10-08 02:00 UTC

Last modified

2026-06-16 22:57 UTC

Exploit probability

4.2% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Apache xerces-c\+\+ ≤ 2.8.0
• Apache xerces-c\+\+ 1.0.0
• Apache xerces-c\+\+ 1.0.1
• Apache xerces-c\+\+ 1.1.0
• Apache xerces-c\+\+ 1.2.0
• Apache xerces-c\+\+ 1.3.0
• Apache xerces-c\+\+ 1.4.0
• Apache xerces-c\+\+ 1.5.0

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

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