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-2026-124317 json libexpat through 2.10.0 contains an out-of-bounds read vulnerability in unknown_toUtf8() and unknown_toUtf16() in xmltok.c wh... Not Provided 2026-11-07 2026-11-11
CVE-2026-118370 json libexpat through 2.9.0 contains a signed integer overflow vulnerability in storeAtts() in lib/xmlparse.c that allows attacker... Not Provided 2026-10-28 2026-11-02
CVE-2026-117610 json libexpat through 2.9.0 contains a NULL pointer dereference vulnerability in externalEntityInitProcessor2() in lib/xmlparse.c ... Not Provided 2026-10-28 2026-11-05
CVE-2026-115506 json libexpat through 2.9.0 contains a denial of service vulnerability because billion laughs protection in accountingDiffTolerate... Not Provided 2026-10-22 2026-10-23
CVE-2026-113351 json libexpat 2.7.2 through 2.9.0 contains a denial of service vulnerability because XML_ParserReset zeroes the direct byte count ... Not Provided 2026-10-20 2026-10-20
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 2026-11-10
CVE-2026-77214 json libexpat before commit 13c5f63 contains a heap buffer over-read vulnerability in xmlparse.c. XML_ParseBuffer advances the par... Not Provided 2026-10-07 2026-11-10
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 2026-11-10
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 2026-10-02
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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