Known Vulnerabilities for Expat by Libexpat

Listed below are 7 of the newest known vulnerabilities associated with "Expat" by "Libexpat".

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-2026-93990 json Expat through 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing malformed UTF-16 seq... Not Provided 2026-09-19 2026-09-19
CVE-2026-90648 json wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, a... Not Provided 2026-09-13 2026-09-14
CVE-2026-76641 json Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by proces... Not Provided 2026-08-20 2026-08-20
CVE-2026-66046 json Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() ... Not Provided 2026-08-18 2026-08-21
CVE-2026-49130 json Music Player Daemon (MPD) before version 0.24.11 contains a CRLF injection vulnerability in the xspf_char_data function withi... Not Provided 2026-05-28 2026-07-14
CVE-2026-7210 json `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a c... Not Provided 2026-05-11 2026-08-14
CVE-2026-4224 json When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply neste... Not Provided 2026-03-16 2026-08-13

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationLibexpatExpat2.2.9
ApplicationLibexpatExpat2.2.8
ApplicationLibexpatExpat2.2.7
ApplicationLibexpatExpat2.2.6
ApplicationLibexpatExpat2.2.5
ApplicationLibexpatExpat2.2.4
ApplicationLibexpatExpat2.2.3
ApplicationLibexpatExpat2.2.2
ApplicationLibexpatExpat2.2.10
ApplicationLibexpatExpat2.2.1
ApplicationLibexpatExpat2.2.0
ApplicationLibexpatExpat2.1.1
ApplicationLibexpatExpat2.1.0
ApplicationLibexpatExpat2.0.1
ApplicationLibexpatExpat2.0.0
ApplicationLibexpatExpat1.95.8
ApplicationLibexpatExpat1.95.7
ApplicationLibexpatExpat1.95.6
ApplicationLibexpatExpat1.95.5
ApplicationLibexpatExpat1.95.4
Results limited to 20 most recent known configurations

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