CVE-2026-33349 fast-xml-parser: Entity Expansion Limits Bypassed When Set to Zero Due to JavaScript Falsy Evaluation

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

CVE-2026-33349

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

CVE-2026-33349

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

MGASA-2026-0063 Updated perl-XML-Parser packages fix security vulnerabilities

XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size causing a heap corruption double free or corruption and crashes. CVE-2006-10002 XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in stserialstack. CVE-2006-10003...

fast-xml-parser 安全漏洞

fast-xml-parser is an open-source library developed by Natural Intelligence. It is used for quickly validating, parsing, and constructing XML files without relying on C/C++-based libraries or callbacks. Versions of fast-xml-parser from 4.0.0-beta.3 to 5.5.7 contained security vulnerabilities. The...

Fedora 45 : perl-XML-Parser (2026-7d5754535f)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-7d5754535f advisory. Automatic update for perl-XML-Parser-2.51-1.fc45. Changelog Mon Mar 23 2026 Jitka Plesnikova - 2.51-1 - 2.51 bump rhbz2448965 - Fix CVE-2006-10002...

Linux Distros Unpatched Vulnerability : CVE-2026-33036

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass...

EUVD-2026-13782

GPAC is an open-source multimedia framework. Prior to commit 86b0e36, a heap-based buffer overflow write vulnerability was discovered in GPAC MP4Box. The vulnerability exists in the gfxmlparsebitsequencebs function in utils/xmlbincustom.c when processing a crafted NHML file containing malicious...

CVE-2026-33144

GPAC is an open-source multimedia framework. Prior to commit 86b0e36, a heap-based buffer overflow write vulnerability was discovered in GPAC MP4Box. The vulnerability exists in the gfxmlparsebitsequencebs function in utils/xmlbincustom.c when processing a crafted NHML file containing malicious...

SUSE CVE-2006-10002

XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption double free or corruption and crashes. A :utf8 PerlIO layer, parsestream in Expat.xs could overflow the XML input buffer because Perl's read returns decoded characters while SvPV gives...

SUSE CVE-2006-10003

XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in stserialstack. In the case stackptr == stacksize - 1, the stack will NOT be expanded. Then the new value will be written at location ++stackptr, which equals stacksize and therefore falls just outside the allocat...

XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack

...

CVE-2026-33036

A flaw was found in fast-xml-parser. A remote attacker can exploit this vulnerability by supplying specially crafted XML input containing numeric character references or standard XML entities. This input can bypass configured entity expansion limits, leading to excessive memory allocation and hig...

CVE-2026-33036

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...

DEBIAN-CVE-2026-33036

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...

CVE-2026-33036

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...

UBUNTU-CVE-2026-33036

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...

CVE-2026-33036

CVE-2026-33036 concerns the fast-xml-parser library. A bypass vulnerability in versions 4.0.0-beta.3 through 5.5.5 allows numeric character references (&#NNN;, &#xHH;) and standard XML entities to evade entity expansion limits (maxTotalExpansions, maxExpandedLength) intended to fix CVE-2026-26278...

CVE-2026-33036 fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...

CVE-2026-33036

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...