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CVE-2023-28484

Published: August 31, 2023Last modified: July 22, 2025

Description

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.

Severity score breakdown

ParameterValue
Base score6.5
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactNONE
Availability impactHIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSlibxml2Not affected (2.10.4-r0)
Streamlibxml2Not affected (2.11.5-r0)
Hardened Containers23 LTSlibxml2Not affected (2.10.4-r0)
Streamlibxml2Not affected (2.11.5-r0)

References

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