Paper/Archive/CVE-2024-56171

CVE-2024-56171

xmlsoft libxml2 — libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xm…

EPSS 1%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 67.7.677 × 2013.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

libxml2< 2.12.102.12.10CNA

libxml22.13.0 – < 2.13.62.13.6CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

mitre (CNA)7.8CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgitlab.gnome.org/GNOME/libxml2/-/issues/828 refsecurity.netapp.com/advisory/ntap-20250328-0010 refseclists.org/fulldisclosure/2025/Apr/13 refseclists.org/fulldisclosure/2025/Apr/10 refseclists.org/fulldisclosure/2025/Apr/9 refseclists.org/fulldisclosure/2025/Apr/8 refseclists.org/fulldisclosure/2025/Apr/5 refseclists.org/fulldisclosure/2025/Apr/4 refseclists.org/fulldisclosure/2025/Apr/12 refseclists.org/fulldisclosure/2025/Apr/11 reflists.debian.org/debian-lts-announce/2025/02/msg00028.html