Security Advisory

CVE-2026-48156

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-28 14:50:41

Last updated 2026-05-30 02:08:20

Assigner GitHub_M

CVSS score 5.1

State PUBLISHED

Description

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 long runtimes. This requires cross-reference streams with /W [0 0 0] values and large /Size values. This vulnerability is fixed in 6.12.0.

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