UBUNTU-CVE-2026-56406

libexpat before 2.8.2 has an integer overflow in XMLParseBuffer becau...

UBUNTU-CVE-2026-56405

libexpat before 2.8.2 has an integer overflow in getAttributeId...

UBUNTU-CVE-2026-56412

libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataS...

UBUNTU-CVE-2026-56403

libexpat before 2.8.2 has an integer overflow in storeAtts...

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

CVE-2026-56403

libexpat before 2.8.2 has an integer overflow in storeAtts...

CVE-2026-56412

In the connected CVE data, libexpat before 2.8.2 is affected: the XML_TOK_DATA_CHARS handling in doCdataSection lacks proper handler call depth tracking, enabling a use-after-free under certain policy violations. This stems from an incomplete fix for CVE-2026-50219. CVSS indicates LOCAL attack ve...

EUVD-2026-38188

xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations...

CVE-2026-56409

xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used...

EUVD-2026-38184

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

CVE-2026-56406

libexpat before 2.8.2 has an integer overflow in XMLParseBuffer because it lacked a check that was present in XMLParse...

CVE-2026-56405

libexpat before 2.8.2 has an integer overflow in getAttributeId...

CVE-2026-56403

libexpat before 2.8.2 has an integer overflow in storeAtts...

EUVD-2026-37977

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

OESA-2026-2680 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, ...

AlmaLinux 9 : expat (ALSA-2026:23230)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:23230 advisory. libexpat: denial of service via crafted XML input CVE-2026-45186 Tenable has extracted the preceding description block directly from the AlmaLinux security...

CVE-2026-49472

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH includes a vulnerable function, PREFIXprologTok, in...

EUVD-2026-35469

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH includes a vulnerable function, PREFIXprologTok, in...