Security Advisory

CVE-2026-71870

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-07 19:28:26

Last updated 2026-08-10 12:24:22

Assigner GitHub_M

CVSS score not scored

State PUBLISHED

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/_cmap.py function parse_bfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed in 6.15.0.

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