CVE Catalog
CVE-2025-24928
MediumSummary
In libxml2 before 2.12.10 and 2.13.6, a stack-based buffer overflow exists in xmlSnprintfElements in valid.c. Exploitation requires DTD validation of an untrusted document or untrusted DTD. Similar to CVE-2017-9047.
Risk Assessment
An attacker could crash the application or potentially execute arbitrary code by providing a crafted XML document with DTD.
Recommendation
Update libxml2 to version 2.12.10, 2.13.6, or later.
Original NVD description (English source)
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.

