CVE-2025-62708

pypdf manipulated LZWDecode streams can exhaust RAM

CVSS 6.6 MEDIUMEPSS 0.4%CWE-409

pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Produtos afetados

py-pdf · pypdf

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Referências

https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da https://github.com/py-pdf/pypdf/pull/3502 https://github.com/py-pdf/pypdf/releases/tag/6.1.3 https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j