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CVE-2025-71406

Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains...

8.7 HighFix availableRejected

This CVE ID has been rejected as a duplicate.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

What each source reports

GitHub Advisories Score usedGHSA-7jxm-3c74-9v37 8.7

Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains...

Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains two use-after-free vulnerabilities: CVE-2025-24855 (use-after-free of the XPath context node due to xsltEvalXPathStringNs leaking xpathCtxt->node) and CVE-2024-55549 (use-after-free related to excluded result prefixes/namespaces). Processing crafted XSLT can trigger memory corruption. Nokogiri 1.18.4 upgrades the bundled libxslt to 1.1.43 to resolve these issues.

Record
GHSA-7jxm-3c74-9v37
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-416
Updated
2026-11-02
CVE List No score

This CVE ID has been rejected as a duplicate.

Record
CVE-2025-71406
Updated
2026-11-02
EUVDEUVD-2025-210773 8.7

This CVE ID has been rejected as a duplicate.

Record
EUVD-2025-210773
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-mrxw-mxhj-p664 7.8

Nokogiri updates packaged libxslt to v1.1.43 to resolve multiple CVEs

Summary

Nokogiri v1.18.4 upgrades its dependency libxslt to v1.1.43.

libxslt v1.1.43 resolves:

  • CVE-2025-24855: Fix use-after-free of XPath context node
  • CVE-2024-55549: Fix UAF related to excluded namespaces

Impact

CVE-2025-24855

CVE-2024-55549

Record
GHSA-mrxw-mxhj-p664
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-416, CWE-1395
Updated
2026-11-02
NVD No score

Rejected reason: This CVE ID has been rejected as a duplicate.

Record
CVE-2025-71406
Updated
2026-11-02
OSV 8.7

Nokogiri before 1.18.4 Use-After-Free via libxslt

Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains two use-after-free vulnerabilities: CVE-2025-24855 (use-after-free of the XPath context node due to xsltEvalXPathStringNs leaking xpathCtxt->node) and CVE-2024-55549 (use-after-free related to excluded result prefixes/namespaces). Processing crafted XSLT can trigger memory corruption. Nokogiri 1.18.4 upgrades the bundled libxslt to 1.1.43 to resolve these issues.

Record
CVE-2025-71406
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-416
Updated
2026-11-02
OSVGHSA-mrxw-mxhj-p664 7.8

Nokogiri updates packaged libxslt to v1.1.43 to resolve multiple CVEs

Summary

Nokogiri v1.18.4 upgrades its dependency libxslt to v1.1.43.

libxslt v1.1.43 resolves:

  • CVE-2025-24855: Fix use-after-free of XPath context node
  • CVE-2024-55549: Fix UAF related to excluded namespaces

Impact

CVE-2025-24855

CVE-2024-55549

Record
GHSA-mrxw-mxhj-p664
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-1395, CWE-416
Updated
2026-11-02
OSVRHSA-2026:41276 7.8

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:41276
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2025-71406 8.7

Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains two use-after-free vulnerabilities: CVE-2025-24855 (use-after-free of the XPath context node due to xsltEvalXPathStringNs leaking xpathCtxt->node) and CVE-2024-55549 (use-after-free related to excluded result prefixes/namespaces). Processing crafted XSLT can trigger memory corruption. Nokogiri 1.18.4 upgrades the bundled libxslt to 1.1.43 to resolve these issues.

Record
UBUNTU-CVE-2025-71406
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
nokogiri
RubyGems
 before 1.18.4
1.18.4
nokogiri
RubyGems
 before 1.18.4, plus listed versions
1.0.01.0.11.0.21.0.31.0.4
Show 45 moreShow less
1.0.51.0.61.0.71.1.01.1.11.10.01.10.0.rc11.10.11.10.101.10.21.10.31.10.41.10.51.10.61.10.71.10.81.10.91.11.01.11.0.rc11.11.0.rc21.11.0.rc31.11.0.rc41.11.11.11.21.11.31.11.41.11.51.11.61.11.71.12.01.12.0.rc11.12.11.12.21.12.31.12.41.12.51.13.01.13.11.13.101.13.21.13.31.13.41.13.51.13.61.13.7
1.18.4
libxslt
Red Hat:hummingbird:1
 before 0:1.1.45-0.1.1.hum1
0:1.1.45-0.1.1.hum1
libxslt-devel
Red Hat:hummingbird:1
 before 0:1.1.45-0.1.1.hum1
0:1.1.45-0.1.1.hum1
python3-libxslt
Red Hat:hummingbird:1
 before 0:1.1.45-0.1.1.hum1
0:1.1.45-0.1.1.hum1

History

History
RecordedChangedSources
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-71406 has been rejected by its source and should not be treated as a live vulnerability, published March 14, 2025. Fixed in nokogiri 1.18.4.

References

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