CVE-2025-62708 – pypdf manipulated LZWDecode streams can exhaust RAM

CVE ID : CVE-2025-62708

Published : Oct. 22, 2025, 10:15 p.m. | 27 minutes ago

Description : pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3.

Severity: 6.6 | MEDIUM

Visit the link for more details, such as CVSS details, affected products, timeline, and more…