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CVE-2014-3574 is an unrestricted XML entity-expansion vulnerability in Apache POI versions before 3.10.1 and 3.11 versions before 3.11-beta2. When parsing a crafted OOXML document, Apache POI can expand an unlimited number of XML entities, enabling a billion-laughs-style resource-exhaustion attack.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Apache POI entity-expansion denial-of-service flaw.
An unlimited XML entity-expansion (billion laughs) denial-of-service flaw in Apache POI's OOXML document processing. A malicious OOXML document could exhaust CPU and memory resources.
An unlimited XML entity-expansion vulnerability in Apache POI OOXML document parsing that enables a remote attacker supplying a crafted document to cause denial of service through excessive CPU and memory consumption.
An Apache POI unrestricted XML entity-expansion (“billion laughs”) vulnerability in OOXML document processing that could enable remote denial of service through excessive CPU and memory consumption.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.