Security Advisory

CVE-2026-57204

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-30 21:59:46

Last updated 2026-07-01 14:29:01

Assigner GitHub_M

CVSS score 6.9

State PUBLISHED

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause DoS. An attacker who uses this vulnerability can craft a PDF which leads to large memory usage, as MAX_DECLARED_STREAM_LENGTH is sometimes ignored. This requires parsing a content stream without a /Length value. This issue has been fixed in version 6.13.3.

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