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CVE-2026-48735

MEDIUM CVSS: 5.5 Published: 2026-05-28 Modified: 2026-06-17

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.12.1, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. This vulnerability is fixed in 6.12.1.

Affected Platforms

Pypdf Project Pypdf

Weakness Type

CWE-770

References