CVE-2024-40896

Description

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness Type (CWE)

CWE-611 CWE-611

Affected Products

Vendor	Product	Versions
xmlsoft	libxml2	2.11.0 — 2.11.9
xmlsoft	libxml2	2.12.0 — 2.12.9
xmlsoft	libxml2	2.13.0 — 2.13.3
netapp	hci_compute_node	All
netapp	hci_compute_node	All
netapp	solidfire_\&_hci_management_node	All
netapp	solidfire_\&_hci_storage_node	All
netapp	h300s_firmware	All
netapp	h300s	All
netapp	h410s_firmware	All
netapp	h410s	All
netapp	h500s_firmware	All
netapp	h500s	All
netapp	h700s_firmware	All
netapp	h700s	All
netapp	h410c_firmware	All
netapp	h410c	All

References

Other References

https://gitlab.gnome.org/GNOME/libxml2/-/commit/1a8932303969907f6572b1b6aac4081c56adb5c6 https://gitlab.gnome.org/GNOME/libxml2/-/issues/761 https://security.netapp.com/advisory/ntap-20250228-0004/

Frequently Asked Questions

What is CVE-2024-40896? +

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2024-40896? +

CVE-2024-40896 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-40896? +

CVE-2024-40896 affects products from netapp, xmlsoft, specifically: h300s, h300s_firmware, h410c, h410c_firmware, h410s, h410s_firmware, h500s, h500s_firmware, h700s, h700s_firmware, hci_compute_node, libxml2, solidfire_\&_hci_management_node, solidfire_\&_hci_storage_node. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-40896? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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