Nokogiri versions before 1.13.5 contain an integer overflow vulnerability in packaged libxml2 buffer handling functions that allows attackers to cause out-of-bounds memory writes. Attackers can exploit this by crafting multi-gigabyte XML files to trigger buffer overflows resulting in information disclosure, data modification, or denial of service.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 25 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description Nokogiri versions before 1.13.5 contain an integer overflow vulnerability in packaged libxml2 buffer handling functions that allows attackers to cause out-of-bounds memory writes. Attackers can exploit this by crafting multi-gigabyte XML files to trigger buffer overflows resulting in information disclosure, data modification, or denial of service.
Title Nokogiri before 1.13.5 Integer Overflow via libxml2
First Time appeared Nokogiri
Nokogiri nokogiri
Weaknesses CWE-119
CPEs cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:*:*:*
Vendors & Products Nokogiri
Nokogiri nokogiri
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-25T16:17:16.932Z

Reserved: 2026-08-25T14:31:37.342Z

Link: CVE-2022-50999

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-25T16:16:44.240

Modified: 2026-08-25T16:16:44.240

Link: CVE-2022-50999

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-25T16:30:06Z

Weaknesses