PyPDF _get_outline() Heap Buffer Overflow DoS

The vulnerability of the getoutline function in the pypdf/doccommon.py library of the Python PDF handling library PyPDF is related to asymmetric resource consumption. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-84310

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...

CVE-2026-84310: Asymmetric Resource Consumption (Amplification)

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...