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CVE-2026-14739 is a heap overflow vulnerability in Perl DBI before version 1.650. The flaw occurs during SQL statement preparsing when DBI processes an extreme number of placeholder characters. The earlier fix for CVE-2026-10879 did not allocate sufficient memory to safely handle approximately 1.2 million placeholders, leaving the preparse logic vulnerable to heap-based memory corruption. DBI 1.650 addresses the issue by imposing a hard upper bound of 99,999 placeholders during preprocessing.
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No public exploit code observed for this vulnerability.
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8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in DBI related to excessive '?' placeholders, mitigated by imposing a hard limit of 99999.
A vulnerability in DBI related to excessive '?' placeholders, mitigated by imposing a hard limit of 99999.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
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