CVE-2024-56171
Publication date 18 February 2025
Last updated 26 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| libxml2 | 25.04 plucky |
Fixed 2.12.7+dfsg+really2.9.14-0.2ubuntu4
|
| 24.04 LTS noble |
Fixed 2.9.14+dfsg-1.3ubuntu3.2
|
|
| 22.04 LTS jammy |
Fixed 2.9.13+dfsg-1ubuntu0.6
|
|
| 20.04 LTS focal |
Fixed 2.9.10+dfsg-5ubuntu0.20.04.9
|
|
| 18.04 LTS bionic |
Fixed 2.9.4+dfsg1-6.1ubuntu1.9+esm2
|
|
| 16.04 LTS xenial |
Fixed 2.9.3+dfsg1-1ubuntu0.7+esm7
|
|
| 14.04 LTS trusty |
Fixed 2.9.1+dfsg1-3ubuntu4.13+esm7
|
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Get Ubuntu Pro 30-day free trialSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-7302-1
- libxml2 vulnerabilities
- 25 February 2025