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.
Problem types
CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
Product status
References
github.com/.../pypdf/security/advisories/GHSA-jfx9-29x2-rv3j
github.com/py-pdf/pypdf/pull/3502
github.com/...ommit/e51d07807ffcdaf18077b9486dadb3dc05b368da
github.com/py-pdf/pypdf/releases/tag/6.1.3