libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the "billion laughs attack."
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Fixes

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T02:35:17.000Z

Reserved: 2008-09-02T00:00:00

Link: CVE-2003-1564

cve-icon Vulnrichment

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cve-icon NVD

Status : Deferred

Published: 2003-12-31T05:00:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2003-1564

cve-icon Redhat

Severity : Moderate

Publid Date: 2003-02-02T00:00:00Z

Links: CVE-2003-1564 - Bugzilla

cve-icon OpenCVE Enrichment

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