Known Vulnerabilities for Libexpat by Libexpat Project

Listed below are 10 of the newest known vulnerabilities associated with "Libexpat" by "Libexpat Project".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-56412 json libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for v... Not Provided 2026-06-21 2026-06-22
CVE-2026-56411 json xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations. Not Provided 2026-06-21 2026-06-22
CVE-2026-56410 json xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId. Not Provided 2026-06-21 2026-06-22
CVE-2026-56409 json xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used. Not Provided 2026-06-21 2026-06-22
CVE-2026-56408 json libexpat before 2.8.2 has an integer overflow in copyString. Not Provided 2026-06-21 2026-06-22
CVE-2026-56407 json libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen. Not Provided 2026-06-21 2026-06-22
CVE-2026-56406 json libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse. Not Provided 2026-06-21 2026-06-22
CVE-2026-56405 json libexpat before 2.8.2 has an integer overflow in getAttributeId. Not Provided 2026-06-21 2026-06-22
CVE-2026-56404 json libexpat before 2.8.2 has an integer overflow in addBinding. Not Provided 2026-06-21 2026-06-22
CVE-2026-56403 json libexpat before 2.8.2 has an integer overflow in storeAtts. Not Provided 2026-06-21 2026-06-22
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationLibexpat ProjectLibexpat2.2.9
ApplicationLibexpat ProjectLibexpat2.2.8
ApplicationLibexpat ProjectLibexpat2.2.7
ApplicationLibexpat ProjectLibexpat2.2.6
ApplicationLibexpat ProjectLibexpat2.2.5
ApplicationLibexpat ProjectLibexpat2.2.4
ApplicationLibexpat ProjectLibexpat2.2.3
ApplicationLibexpat ProjectLibexpat2.2.2
ApplicationLibexpat ProjectLibexpat2.2.10
ApplicationLibexpat ProjectLibexpat2.2.1
ApplicationLibexpat ProjectLibexpat2.2.0
ApplicationLibexpat ProjectLibexpat2.1.1
ApplicationLibexpat ProjectLibexpat2.1.0
ApplicationLibexpat ProjectLibexpat2.0.1
ApplicationLibexpat ProjectLibexpat2.0.0
ApplicationLibexpat ProjectLibexpat1.95.8
ApplicationLibexpat ProjectLibexpat1.95.7
ApplicationLibexpat ProjectLibexpat1.95.6
ApplicationLibexpat ProjectLibexpat1.95.5
ApplicationLibexpat ProjectLibexpat1.95.4
Results limited to 20 most recent known configurations
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