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CVE-2010-4645 is an infinite-loop vulnerability in PHP's zend_strtod floating-point conversion routine in PHP 5.2 before 5.2.17 and PHP 5.3 before 5.3.5. On affected systems using x87 FPU behavior, conversion of a particular subnormal-range decimal floating-point value expressed in scientific notation can cause the conversion algorithm to oscillate between two representable values rather than reach its termination condition.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A flaw in a floating point conversion routine that can cycle indefinitely between two values, resulting in an infinite loop.
A vulnerability where a floating point conversion routine cycles indefinitely between two values, causing an infinite loop.
A floating-point conversion routine enters an infinite cycle between two values.
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.