GHSA-qv6h-rv94-w285High
pypdf: Possible large memory usage when retrieving Roman page labels
🔗 CVE IDs covered (1)
📋 Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals.
Patches
This has been fixed in pypdf==6.17.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #4047.
🎯 Affected products1
- pip/pypdf:< 6.17.0
🔗 References (6)
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-qv6h-rv94-w285
- https://nvd.nist.gov/vuln/detail/CVE-2026-102993
- https://github.com/py-pdf/pypdf/pull/4047
- https://github.com/py-pdf/pypdf/commit/89db7c4fe9315ecc964bfdf05a4e8c4b94175163
- https://github.com/py-pdf/pypdf/releases/tag/6.17.0
- https://github.com/advisories/GHSA-qv6h-rv94-w285