PT-2026-81339 · Rubygems+1 · Nokogiri+1
CVE-2023-54354
·
Published
2023-04-11
·
Updated
2026-08-30
CVSS v4.0
8.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
Nokogiri versions prior to 1.14.3
Description
The CRuby implementation, when using the packaged libxml2 v2.10.3, contains a flaw in XML Schema processing. An attacker can provide a crafted or malformed XML schema to trigger NULL pointer dereferences within the
xmlSchemaFixupComplexType() and xmlSchemaCheckCOSSTDerivedOK() functions. This can lead to a segmentation fault, resulting in a denial of service.Recommendations
Update to version 1.14.3 or later.
Exploit
Fix
DoS
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
Nokogiri
Libxml2