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10 vulnerabilities found for by libexpat project
CVE-2026-50219 (GCVE-0-2026-50219)
Vulnerability from cvelistv5
Published
2026-06-04 04:20
Modified
2026-06-04 12:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-45186 (GCVE-0-2026-45186)
Vulnerability from cvelistv5
Published
2026-05-10 06:36
Modified
2026-05-11 22:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Summary
In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-41080 (GCVE-0-2026-41080)
Vulnerability from cvelistv5
Published
2026-04-16 16:52
Modified
2026-05-18 20:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-331 - Insufficient Entropy
Summary
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-32778 (GCVE-0-2026-32778)
Vulnerability from cvelistv5
Published
2026-03-16 07:02
Modified
2026-03-17 14:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-32777 (GCVE-0-2026-32777)
Vulnerability from cvelistv5
Published
2026-03-16 06:58
Modified
2026-03-16 14:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Summary
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-32776 (GCVE-0-2026-32776)
Vulnerability from cvelistv5
Published
2026-03-16 06:54
Modified
2026-03-16 14:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-25210 (GCVE-0-2026-25210)
Vulnerability from cvelistv5
Published
2026-01-30 06:40
Modified
2026-06-02 13:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2026-24515 (GCVE-0-2026-24515)
Vulnerability from cvelistv5
Published
2026-01-23 07:46
Modified
2026-06-02 13:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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CVE-2025-66382 (GCVE-0-2025-66382)
Vulnerability from cvelistv5
Published
2025-11-28 00:00
Modified
2026-06-02 13:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Summary
In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ 2.7.5 |
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CVE-2025-59375 (GCVE-0-2025-59375)
Vulnerability from cvelistv5
Published
2025-09-15 00:00
Modified
2026-05-12 12:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Version: 0 ≤ |
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