libxml2 2.6.32 and earlier does not properly detect recursion during entity expansion in an attribute value, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.00802
Percentile: 0.73108

CVSS Scoring

Mapped CWE(s)

• CWE-776 : Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

All CAPEC(s)

CAPEC(s) with Mapped TTPs

Mapped ATT&CK TTPs

Affected Products

• cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:4.7:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:5.2:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:2.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:2.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:vmware:esx:2.5.4:*:*:*:*:*:*:*
• cpe:2.3:o:vmware:esx:2.5.5:*:*:*:*:*:*:*
• cpe:2.3:o:vmware:esx:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:o:vmware:esx:3.0.3:*:*:*:*:*:*:*

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