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EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2022-25236exploit | 9.8 critical | 35.0% | libexpat_project, debian, libexpat, debian_linux, http_server | xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs. | 14 Oct |
| CVE-2022-25315exploit | 9.8 critical | 5.0% | libexpat_project, debian, libexpat, debian_linux, fedora | In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. | 14 Oct |
| CVE-2022-25235exploit | 9.8 critical | 5.0% | libexpat_project, debian, libexpat, debian_linux, fedora | 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. | 14 Oct |
| CVE-2022-23852exploit | 9.8 critical | 5.0% | libexpat_project, netapp, libexpat, clustered_data_ontap, oncommand_workflow_automation | Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES. | 14 Oct |
| CVE-2022-22822exploit | 9.8 critical | 5.0% | libexpat_project, tenable, libexpat, nessus, sinema_remote_connect_server | addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 14 Oct |
| CVE-2021-45960exploit ×2 | 8.8 high | 5.0% | libexpat_project, tenable, libexpat, nessus, debian_linux | In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory). | 14 Oct |
| CVE-2022-25314exploit | 7.5 high | 5.0% | libexpat_project, debian, libexpat, debian_linux, fedora | In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString. | 14 Oct |
| CVE-2022-23990exploit | 7.5 high | 5.0% | libexpat_project, tenable, libexpat, nessus, communications_metasolv_solution | Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function. | 14 Oct |
| CVE-2021-46143exploit | 7.8 high | 4.0% | libexpat_project, netapp, libexpat, active_iq_unified_manager, clustered_data_ontap | In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. | 14 Oct |
| CVE-2022-43680exploit ×2 | 7.5 high | 3.0% | libexpat_project, debian, libexpat, debian_linux, fedora | 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. | 14 Oct |
| CVE-2022-25313exploit ×2 | 6.5 medium | 3.0% | libexpat_project, debian, libexpat, debian_linux, fedora | 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. | 14 Oct |
| CVE-2024-28757exploit ×2 | 7.5 high | 2.0% | libexpat_project, fedoraproject, libexpat, fedora, active_iq_unified_manager | libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate). | 15 Oct |
| CVE-2024-8176exploit | 7.5 high | 1.0% | no CPE yet | A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash. This issue could lead to denial of service (DoS) or, in some cases, exploitable memory corruption, depending on the environment and library usage. | 21 Oct |
| CVE-2024-50602exploit | 5.9 medium | 1.0% | netapp, debian, active_iq_unified_manager, solidfire_\&_hci_management_node, solidfire_\&_hci_storage_node | An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser. | 15 Oct |
14 of 14
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EPSS scores: 2026-10-28. NVD cursor: 2026-10-29 00:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.