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CVE Vulnerability Details :

CVE-2026-57436

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-25 Jun, 2026 | 14:33

Updated At-25 Jun, 2026 | 23:27

▼CVE Numbering Authority (CNA)

Nokogiri: Possible Use-After-Free when setting `Document#root=` to an invalid node type

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::Document#root= validated only that the new root was a Nokogiri::XML::Node, allowing a DTD node to be set as the document root. The result is a heap use-after-free during garbage collection or finalization, leading to an invalid memory read or potentially a segfault. This vulnerability is fixed in 1.19.4.

Affected Products

Vendor

Sparkle Motion

Product

nokogiri

Versions

Affected

< 1.19.4

Problem Types

Type	CWE ID	Description
CWE	CWE-416	CWE-416: Use After Free

Type: CWE

CWE ID: CWE-416

Description: CWE-416: Use After Free

Metrics

Version	Base score	Base severity	Vector
4.0	1.7	LOW	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

Version: 4.0

Base score: 1.7

Base severity: LOW

Vector:

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

References

Hyperlink	Resource
https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-wjv4-x9w8-wm3h	x_refsource_CONFIRM

Hyperlink: https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-wjv4-x9w8-wm3h

Resource:

x_refsource_CONFIRM

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

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Replaced By

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References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References