CVE-2023-28484
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault.
Published Apr 24, 2023 · updated Oct 14, 2026 · xmlsoft libxml2
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
Timeline
Detection, updates, and resolution for this record.
Apr 24, 2023 · NIST NVD
Detected
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
Oct 14, 2026 · NIST NVD
Updated
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
Affected
- cpe debian/debian linux10.0
- cpe xmlsoft/libxml2version unspecified
Sources
- CVE.orgVulnerability recordCVE-2023-28484
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-28484
30-day exploitation probability 1.2%
first.org - NIST NVDVulnerability recordCVE-2023-28484
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
nvd.nist.gov