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Findings

CVE-2022-25313

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

Published Feb 18, 2022 · updated Oct 14, 2026 · libexpat project libexpat

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 18, 2022 · NIST NVD

    Detected

    In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

  2. Oct 14, 2026 · NIST NVD

    Updated

    In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

Affected

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe fedoraproject/fedora34
  • cpe fedoraproject/fedora35
  • cpe libexpat project/libexpatversion unspecified
  • cpe oracle/http server12.2.1.3.0
  • cpe oracle/http server12.2.1.4.0
  • cpe oracle/zfs storage appliance kit8.8
  • cpe siemens/sinema remote connect serverversion unspecified

Sources

  • CVE.orgCVE-2022-25313

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2022-25313

    In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

    nvd.nist.gov

References