libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow

A flaw was found in libxml2, specifically within the xmlcatalog utility when operating in shell mode. An attacker can exploit multiple stack-based buffer overflows by providing an excessively long input line. This leads to memory corruption, which may cause the application to crash or potentially...

RHEL 10 : libxml2 (RHSA-2026:60394)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:60394 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: libxml2: Arbitrary cod...

ALSA-2026:60394 Moderate: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow CVE-2026-11979 For more details about the security issues, including the impact, a CVSS score,...

Out-of-Bounds

Overview nokogiri is a gem for parsing HTML, XML, SAX, and Reader. Affected versions of this package are vulnerable to Out-of-Bounds via the buffer handling process in the packaged libxml2 component. An attacker can cause out-of-bounds memory writes by submitting specially crafted multi-gigabyte...

NULL Pointer Dereference

Overview nokogiri is a gem for parsing HTML, XML, SAX, and Reader. Affected versions of this package are vulnerable to NULL Pointer Dereference via the XML Schema processing in the packaged libxml2 library. An attacker can cause a segmentation fault and disrupt service by supplying a crafted or...

CVE-2024-58377

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

CVE-2025-71407

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

CVE-2025-71346

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

CVE-2024-58378

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

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-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...

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-2022-50998

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...

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-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-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...

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-2022-50998

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...

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-2022-50999

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...