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Findings

CVE-2023-52426

libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

Published Feb 4, 2024 · updated Oct 15, 2026 · libexpat project libexpat

libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 4, 2024 · NIST NVD

    Detected

    libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

  2. Oct 15, 2026 · NIST NVD

    Updated

    libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

Affected

  • cpe libexpat project/libexpatversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2023-52426

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-52426

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2023-52426

    libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

    nvd.nist.gov

References