CVE-2024-56171
9.8
CRITICAL
CVSS 3.1
EPSS 1.1%
Description
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
How to fix CVE-2024-56171
To remediate CVE-2024-56171, upgrade the affected package to a fixed version below.
- Alpine/libxml2—upgrade to 2.11.8-r1 or later
Is CVE-2024-56171 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.13.0, < 2.11.8-r1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |