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8 vulnerabilities found for libexpat by libexpat project

CVE-2026-25210 (GCVE-0-2026-25210)

Vulnerability from nvd – Published: 2026-01-30 06:40 – Updated: 2026-01-30 07:21
VLAI?
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.
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.4 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-24515 (GCVE-0-2026-24515)

Vulnerability from nvd – Published: 2026-01-23 07:46 – Updated: 2026-01-23 15:31
VLAI?
Summary
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.4 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-66382 (GCVE-0-2025-66382)

Vulnerability from nvd – Published: 2025-11-28 00:00 – Updated: 2025-12-03 16:08
VLAI?
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.
CWE
  • CWE-407 - Inefficient Algorithmic Complexity
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , ≤ 2.7.3 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-59375 (GCVE-0-2025-59375)

Vulnerability from nvd – Published: 2025-09-15 00:00 – Updated: 2025-11-04 21:13
VLAI?
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.
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-25210 (GCVE-0-2026-25210)

Vulnerability from cvelistv5 – Published: 2026-01-30 06:40 – Updated: 2026-01-30 07:21
VLAI?
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.
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.4 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-24515 (GCVE-0-2026-24515)

Vulnerability from cvelistv5 – Published: 2026-01-23 07:46 – Updated: 2026-01-23 15:31
VLAI?
Summary
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.4 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-66382 (GCVE-0-2025-66382)

Vulnerability from cvelistv5 – Published: 2025-11-28 00:00 – Updated: 2025-12-03 16:08
VLAI?
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.
CWE
  • CWE-407 - Inefficient Algorithmic Complexity
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , ≤ 2.7.3 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-59375 (GCVE-0-2025-59375)

Vulnerability from cvelistv5 – Published: 2025-09-15 00:00 – Updated: 2025-11-04 21:13
VLAI?
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.
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.2 (semver)
Create a notification for this product.
Show details on NVD website

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