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Product
libexpat
by libexpat project · last CVE Aug 20, 2026
65
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities65In the news1Timeline
Severity mix
Critical 10High 24Medium 22Low 2
Severity
All severities65Critical10High24Medium22Low2
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-45492
9.8
1%
Aug 30
An issue was discovered in libexpat before 2.6.3
Affected: before 2.6.3
CVE-2024-45491
9.8
1%
Aug 30
An issue was discovered in libexpat before 2.6.3
Affected: before 2.6.3
CVE-2022-25315
9.8
5%
Feb 18
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames
Affected: before 2.4.5
CVE-2022-25235
9.8
5%
Feb 16
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context
Affected: before 2.4.5
CVE-2022-25236
9.8
35%
Feb 16
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs
Affected: before 2.4.5
CVE-2022-23852
9.8
5%
Jan 24
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES
Affected: before 2.4.4
CVE-2022-22822
9.8
5%
Jan 8
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow
Affected: before 2.4.3
CVE-2022-22823
9.8
4%
Jan 8
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow
Affected: before 2.4.3
CVE-2022-22824
9.8
4%
Jan 8
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow
Affected: before 2.4.3
CVE-2016-0718
9.8
13%
May 26
Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow
Affected: before 2.2.0
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