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CVE-2026-48155

pypdf: Possible large memory usage for large offsets for layout mode text

CVSS 4.8 MEDIUMEPSS 0.1%CWE-400
pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets. This vulnerability is fixed in 6.12.0.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Productos afectados
py-pdf · pypdf

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Referencias
https://github.com/py-pdf/pypdf/pull/3790https://github.com/py-pdf/pypdf/releases/tag/6.12.0https://github.com/py-pdf/pypdf/security/advisories/GHSA-cj93-chg6-vgv8