libexpat project libexpat

26 vulnérabilités publiées citent ce produit.

Tel que les CNA l’écrivent dans leurs fiches CVE (éditeur et produit) ; les versions sont les leurs.

CVEVersions vulnérablesTitreSévéritéPubliéeEPSSExploitation
CVE-2026-76957< 2.8.4libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is simiHIGH 7.80.1 %
CVE-2026-769562.8.2 – < 2.8.4In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in beinHIGH 7.50.3 %
CVE-2026-66046≤ 2.8.3Expat Denial of Service via storeAtts() Quadratic ComplexityHIGH 8.70.7 %
CVE-2026-72522< 2.8.3libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates dMEDIUM 6.20.2 %
CVE-2026-56412< 2.8.2libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls frMEDIUM 5.90.2 %
CVE-2026-56411< 2.8.2xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.MEDIUM 6.90.1 %
CVE-2026-56410< 2.8.2xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId.MEDIUM 6.90.1 %
CVE-2026-56409< 2.8.2xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.MEDIUM 6.50.1 %
CVE-2026-56408< 2.8.2libexpat before 2.8.2 has an integer overflow in copyString.MEDIUM 6.90.1 %
CVE-2026-56407< 2.8.2libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.MEDIUM 6.90.2 %
CVE-2026-56406< 2.8.2libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.MEDIUM 6.90.2 %
CVE-2026-56405< 2.8.2libexpat before 2.8.2 has an integer overflow in getAttributeId.MEDIUM 6.90.1 %
CVE-2026-56404< 2.8.2libexpat before 2.8.2 has an integer overflow in addBinding.MEDIUM 6.90.1 %
CVE-2026-56403< 2.8.2libexpat before 2.8.2 has an integer overflow in storeAtts.MEDIUM 6.90.2 %
CVE-2026-56132< 2.8.2In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is misMEDIUM 6.90.1 %
CVE-2026-56131< 2.8.2libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. TMEDIUM 4.90.2 %
CVE-2026-50219< 2.8.2libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParseMEDIUM 5.90.2 %
CVE-2026-45186< 2.8.1In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crHIGH 7.50.5 %
CVE-2026-41080< 2.8.0libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.HIGH 7.50.4 %
CVE-2026-32778< 2.7.5libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.MEDIUM 5.50.2 %
CVE-2026-32777< 2.7.5libexpat before 2.7.5 allows an infinite loop while parsing DTD content.MEDIUM 5.50.2 %
CVE-2026-32776< 2.7.5libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.MEDIUM 5.50.2 %
CVE-2026-25210< 2.7.4In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow chHIGH 7.80.2 %
CVE-2026-24515< 2.7.4In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.LOW 2.90.2 %
CVE-2025-66382≤ 2.7.5In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.MEDIUM 5.50.2 %
CVE-2025-59375< 2.7.2libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsiHIGH 7.51.4 %