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NVD Vulnerability Details :
CVE-2026-57436
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-25 Jun, 2026 | 15:16
Updated At-26 Jun, 2026 | 16:47

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.01.7LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
N/A
Type: Secondary
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Sparkle Motion
nokogiri
>>nokogiri>>Versions before 1.19.4(exclusive)
cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:ruby:*:*
Weaknesses
CWE IDTypeSource
CWE-416Secondarysecurity-advisories@github.com
CWE ID: CWE-416
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-wjv4-x9w8-wm3hsecurity-advisories@github.com
Mitigation
Vendor Advisory
Hyperlink: https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-wjv4-x9w8-wm3h
Source: security-advisories@github.com
Resource:
Mitigation
Vendor Advisory
Change History
0Changes found
Details not found