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CVE-2026-49460

LOW CVSS: 3.3 Published: 2026-06-22 Modified: 2026-06-25

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. This vulnerability is fixed in 6.12.2.

Affected Platforms

Pypdf Project Pypdf

Weakness Type

CWE-407

References