UBUNTU-CVE-2022-50999

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...

UBUNTU-CVE-2023-54354

Nokogiri before 1.14.3 CRuby implementation only, when using the packaged libxml2 bundles libxml2 v2.10.3, which is vulnerable to NULL pointer dereferences in XML Schema processing xmlSchemaFixupComplexType, CVE-2023-28484, and xmlSchemaCheckCOSSTDerivedOK. An attacker who supplies a...

UBUNTU-CVE-2022-50998

Nokogiri before 1.13.9 CRuby implementation using packaged libraries bundles libxml2 v2.9.14, which is affected by CVE-2022-40304 data corruption / double-free from an entity reference cycle when entity content is allocated from a dict and CVE-2022-40303 integer overflows when parsing with...

UBUNTU-CVE-2022-51000

Nokogiri before 1.13.2 CRuby, when using packaged libraries ships vendored libxml2 2.9.12 and libxslt 1.1.34, which are affected by two upstream CVEs. Via CVE-2021-30560 in libxslt, an application transforming XML with untrusted XSL stylesheets is vulnerable to a denial-of-service attack. Via...

UBUNTU-CVE-2024-58377

Nokogiri versions before 1.16.5 bundle libxml2 2.12.6, which is affected by CVE-2024-34459 in libxml2's xmllint tool. Nokogiri 1.16.5 upgrades the bundled libxml2 to 2.12.7 to address this. Per the maintainers, there is no impact to Nokogiri users because Nokogiri does not provide or expose the...

UBUNTU-CVE-2021-47996

Nokogiri before 1.11.4 CRuby implementation only, when the packaged/vendored libxml2 is used bundles libxml2 2.9.10, which is affected by multiple vulnerabilities addressed in libxml2 2.9.12, including a memory leak in xmlSchemaValidateStream CVE-2019-20388, a global buffer over-read in...

CVE-2022-51000

Nokogiri before 1.13.2 CRuby, when using packaged libraries ships vendored libxml2 2.9.12 and libxslt 1.1.34, which are affected by two upstream CVEs. Via CVE-2021-30560 in libxslt, an application transforming XML with untrusted XSL stylesheets is vulnerable to a denial-of-service attack. Via...

CVE-2022-50999

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...

CVE-2025-71346

Nokogiri before 1.18.8 packages a vulnerable version of libxml2 before 2.13.8 that contains a heap-based buffer under-read CVE-2025-32415 in the xmlSchemaIDCFillNodeTables function in xmlschemas.c. The issue can be triggered when validating against an untrusted XML Schema, or when validating...

UBUNTU-CVE-2025-71407

Nokogiri before 1.18.3 contains a stack buffer overflow vulnerability in libxml2 when reporting DTD validation errors with long QName prefixes, and a use-after-free vulnerability during validation against untrusted XML Schemas. Attackers can trigger these vulnerabilities by providing malicious DT...

UBUNTU-CVE-2025-71346

Nokogiri before 1.18.8 packages a vulnerable version of libxml2 before 2.13.8 that contains a heap-based buffer under-read CVE-2025-32415 in the xmlSchemaIDCFillNodeTables function in xmlschemas.c. The issue can be triggered when validating against an untrusted XML Schema, or when validating...

UBUNTU-CVE-2024-58378

Nokogiri before 1.15.6 and 1.16.x before 1.16.2 CRuby, when using the packaged libxml2 is affected by a use-after-free vulnerability in libxml2 CVE-2024-25062 in the xmlTextReader module, which underlies Nokogiri::XML::Reader. When using the XML Reader interface with DTD validation and XInclude...

EUVD-2025-210774

Nokogiri before 1.18.3 contains a stack buffer overflow vulnerability in libxml2 when reporting DTD validation errors with long QName prefixes, and a use-after-free vulnerability during validation against untrusted XML Schemas. Attackers can trigger these vulnerabilities by providing malicious DT...

CVE-2025-71407

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CVE-2025-71407 Nokogiri before 1.18.3 Stack Buffer Overflow and Use-After-Free

Nokogiri before 1.18.3 contains a stack buffer overflow vulnerability in libxml2 when reporting DTD validation errors with long QName prefixes, and a use-after-free vulnerability during validation against untrusted XML Schemas. Attackers can trigger these vulnerabilities by providing malicious DT...

CVE-2025-71407

Nokogiri (Ruby gem for parsing HTML/XML) versions before 1.18.3 are affected by two vulnerabilities in its bundled libxml2 library: a stack buffer overflow when reporting DTD validation errors with long (~3 KB) QName prefixes, and a use-after-free during validation against untrusted XML Schemas. ...

CVE-2025-71407

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CVE-2025-71407

Removed by vendor...

EUVD-2025-210772

Nokogiri before 1.18.8 packages a vulnerable version of libxml2 before 2.13.8 that contains a heap-based buffer under-read CVE-2025-32415 in the xmlSchemaIDCFillNodeTables function in xmlschemas.c. The issue can be triggered when validating against an untrusted XML Schema, or when validating...

CVE-2025-71346

Nokogiri before 1.18.8 packages a vulnerable version of libxml2 (before 2.13.8), introducing a heap-based buffer under-read in the xmlSchemaIDCFillNodeTables function in xmlschemas.c. The flaw is triggered when validating against an untrusted XML Schema, or when validating untrusted documents aga...