Vulnerabilities (CVE)

Filtered by vendor Libexpat Project Subscribe
Filtered by product Libexpat
Total 37 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2024-28757 3 Fedoraproject, Libexpat Project, Netapp 21 Fedora, Libexpat, Active Iq Unified Manager and 18 more 2025-03-28 N/A 7.5 HIGH
libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).
CVE-2024-45490 1 Libexpat Project 1 Libexpat 2025-03-14 N/A 7.5 HIGH
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
CVE-2024-45492 1 Libexpat Project 1 Libexpat 2024-11-21 N/A 9.8 CRITICAL
An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
CVE-2024-45491 1 Libexpat Project 1 Libexpat 2024-11-21 N/A 9.8 CRITICAL
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
CVE-2023-52426 1 Libexpat Project 1 Libexpat 2024-11-21 N/A 5.5 MEDIUM
libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.
CVE-2023-52425 1 Libexpat Project 1 Libexpat 2024-11-21 N/A 7.5 HIGH
libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
CVE-2022-43680 4 Debian, Fedoraproject, Libexpat Project and 1 more 18 Debian Linux, Fedora, Libexpat and 15 more 2024-11-21 N/A 7.5 HIGH
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
CVE-2022-40674 2 Debian, Libexpat Project 2 Debian Linux, Libexpat 2024-11-21 N/A 8.1 HIGH
libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.
CVE-2022-25315 4 Debian, Fedoraproject, Libexpat Project and 1 more 5 Debian Linux, Fedora, Libexpat and 2 more 2024-11-21 7.5 HIGH 9.8 CRITICAL
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
CVE-2022-25314 4 Debian, Fedoraproject, Libexpat Project and 1 more 5 Debian Linux, Fedora, Libexpat and 2 more 2024-11-21 5.0 MEDIUM 7.5 HIGH
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
CVE-2022-25313 5 Debian, Fedoraproject, Libexpat Project and 2 more 6 Debian Linux, Fedora, Libexpat and 3 more 2024-11-21 4.3 MEDIUM 6.5 MEDIUM
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
CVE-2022-25236 3 Debian, Libexpat Project, Oracle 4 Debian Linux, Libexpat, Http Server and 1 more 2024-11-21 7.5 HIGH 9.8 CRITICAL
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
CVE-2022-25235 5 Debian, Fedoraproject, Libexpat Project and 2 more 6 Debian Linux, Fedora, Libexpat and 3 more 2024-11-21 7.5 HIGH 9.8 CRITICAL
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.
CVE-2022-23990 6 Debian, Fedoraproject, Libexpat Project and 3 more 6 Debian Linux, Fedora, Libexpat and 3 more 2024-11-21 5.0 MEDIUM 7.5 HIGH
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
CVE-2022-23852 5 Debian, Libexpat Project, Netapp and 2 more 6 Debian Linux, Libexpat, Clustered Data Ontap and 3 more 2024-11-21 7.5 HIGH 9.8 CRITICAL
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
CVE-2022-22827 2 Libexpat Project, Tenable 2 Libexpat, Nessus 2024-11-21 6.8 MEDIUM 8.8 HIGH
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22826 2 Libexpat Project, Tenable 2 Libexpat, Nessus 2024-11-21 6.8 MEDIUM 8.8 HIGH
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22825 2 Libexpat Project, Tenable 2 Libexpat, Nessus 2024-11-21 6.8 MEDIUM 8.8 HIGH
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22824 2 Libexpat Project, Tenable 2 Libexpat, Nessus 2024-11-21 7.5 HIGH 9.8 CRITICAL
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22823 2 Libexpat Project, Tenable 2 Libexpat, Nessus 2024-11-21 7.5 HIGH 9.8 CRITICAL
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.