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-2026-41080 json libexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document. Not Provided 2026-04-16 2026-04-18
CVE-2022-43680 json In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityPar... 7.5 - HIGH 2022-10-24 2024-01-21
CVE-2022-40674 json libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c. 8.1 - HIGH 2022-09-14 2023-11-07
CVE-2022-25315 json In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. 9.8 - CRITICAL 2022-02-18 2023-11-07
CVE-2022-25314 json In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString. 7.5 - HIGH 2022-02-18 2023-11-07
CVE-2022-25313 json In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in th... 6.5 - MEDIUM 2022-02-18 2023-11-07
CVE-2022-25236 json xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs... 9.8 - CRITICAL 2022-02-16 2023-11-07
CVE-2022-25235 json xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 c... 9.8 - CRITICAL 2022-02-16 2023-11-07
CVE-2022-23990 json Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function. 7.5 - HIGH 2022-01-26 2023-11-07
CVE-2022-23852 json Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTE... 9.8 - CRITICAL 2022-01-24 2022-10-29

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
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