DocumentationSeverity
5.5
Medium severity
Details
- CVSS score
- 5.5
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CWE ID
Overview
About vulnerability
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires opening a file with cross-reference streams.
Patches
This has been fixed in [pypdf==6.21.3](https://github.com/py-pdf/pypdf/releases/tag/6.21.3).
Workarounds
If you cannot upgrade yet, consider applying the changes from PR [#4269](https://github.com/py-pdf/pypdf/pull/4269).
Details
- Affected product:
- pypdf
- Affected packages:
- pypdf @ 5.9.0