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-2026-102633 json libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc() function on 32-bit platfor... Not Provided 2026-09-29 2026-09-29
CVE-2026-76957 json libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOT... Not Provided 2026-08-20 2026-08-20
CVE-2026-76956 json In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which ... Not Provided 2026-08-20 2026-08-20
CVE-2026-76875 json PyPy before versions 3.11.16 and 3.12.14 contains a use-after-free vulnerability in the pyexpat module's ExternalEntityParser... Not Provided 2026-09-29 2026-09-29
CVE-2026-72522 json libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as hi... Not Provided 2026-08-10 2026-08-13
CVE-2026-66046 json Not Provided 2026-08-18 2026-09-18
CVE-2026-56412 json Not Provided 2026-06-21 2026-06-23
CVE-2026-56411 json Not Provided 2026-06-21 2026-06-23
CVE-2026-56410 json Not Provided 2026-06-21 2026-06-23
CVE-2026-56409 json Not Provided 2026-06-21 2026-06-23
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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