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PyPA
PyPA
added 2026/07/07 4:03 p.m.22 views

pypdf's LZWDecode streams be manipulated to exhaust RAM

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to a memory usage of up to 1 GB per stream. This requires parsing the content stream of a page using the LZWDecode filter.This is a follow up to GHSA-jfx9-29x2-rv3j to align the default limit with the one for zlib...

8.7CVSS5.8AI score0.00361EPSS
SaveExploits0References9Affected Software1
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