| CVE-2026-76957 |
libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks
|
4.9
Medium
|
Aug 20, 2026 |
| CVE-2026-76956 |
In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy,…
|
5.9
Medium
|
Aug 20, 2026 |
| CVE-2026-66046 |
Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the…
|
8.7
High
|
Aug 18, 2026 |
| CVE-2026-72522 |
libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the…
|
6.2
Medium
|
Aug 10, 2026 |
| CVE-2026-56412 |
libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth…
|
4.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56411 |
xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56410 |
xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56409 |
xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used
|
6.5
Medium
|
Jun 21, 2026 |
| CVE-2026-56408 |
libexpat before 2.8.2 has an integer overflow in copyString
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56407 |
libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56406 |
libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56405 |
libexpat before 2.8.2 has an integer overflow in getAttributeId
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56404 |
libexpat before 2.8.2 has an integer overflow in addBinding
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56403 |
libexpat before 2.8.2 has an integer overflow in storeAtts
|
6.9
Medium
|
Jun 21, 2026 |
| CVE-2026-56132 |
In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array…
|
6.9
Medium
|
Jun 19, 2026 |
| CVE-2026-56131 |
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a…
|
4.9
Medium
|
Jun 19, 2026 |
| CVE-2026-50219 |
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer,…
|
4.9
Medium
|
Jun 4, 2026 |
| CVE-2026-45186 |
In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via…
|
2.9
Low
|
May 10, 2026 |
| CVE-2026-41080 |
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document
|
2.9
Low
|
Apr 16, 2026 |
| CVE-2026-32778 |
libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier…
|
2.9
Low
|
Mar 16, 2026 |
| CVE-2026-32777 |
libexpat before 2.7.5 allows an infinite loop while parsing DTD content
|
4.0
Medium
|
Mar 16, 2026 |
| CVE-2026-32776 |
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content
|
4.0
Medium
|
Mar 16, 2026 |
| CVE-2026-25210 |
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no…
|
6.9
Medium
|
Jan 30, 2026 |
| CVE-2026-24515 |
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data
|
2.9
Low
|
Jan 23, 2026 |
| CVE-2025-66382 |
In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of…
|
2.9
Low
|
Nov 28, 2025 |