Home/CVE/libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleID
CVE

CVE-2024-56171

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleID

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.

HIGH · CVSS 7.8 EPSS 0.00183
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

12
xmlsoft libxml2< 2.12.10
xmlsoft libxml2>= 2.13.0 and < 2.13.6
netapp hci compute nodeall versions
netapp h410c firmwareall versions
netapp h300s firmwareall versions
netapp h500s firmwareall versions
netapp h700s firmwareall versions
netapp h410s firmwareall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Feb 2025 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
suse-csafSUSE-SU-2025:20274-1
suse-csafSUSE-SU-2025:20177-1
apple-security122376
apple-security122371
apple-security122372
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.gnome.org/GNOME/libxml2/-/issues/828Issue Tracking
http://seclists.org/fulldisclosure/2025/Apr/10
http://seclists.org/fulldisclosure/2025/Apr/11
http://seclists.org/fulldisclosure/2025/Apr/12
http://seclists.org/fulldisclosure/2025/Apr/13
http://seclists.org/fulldisclosure/2025/Apr/4
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