CVE-2008-4409

Libxml2 vulnerability

CVSS

5.0

EPSS

8.5%

EPSS pct

94th

Exploited

No known

libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.

Affected vendor

Xmlsoft

Affected product

Libxml2

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-399

Published

2008-10-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 8.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2008-4409

Confirm whether Xmlsoft Libxml2 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-4409.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-4409

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