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Pypdf (< 6.18.1)

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medium advisory

pypdf Memory Exhaustion Vulnerability

A vulnerability in the pypdf library, tracked as CVE-2026-103000, allows attackers to trigger excessive memory consumption and potential denial of service by providing crafted PDFs with large alphabetical page labels.

pypdf +1 denial-of-service memory-exhaustion cve-2026-103000
1c
medium advisory

Denial of Service Vulnerability in pypdf

The pypdf library contains a vulnerability, CVE-2026-102999, that allows an attacker to cause excessive execution times by providing a crafted PDF with numerous embedded files.

pypdf +2 vulnerability dos denial-of-service library-vulnerability python
1c