HIGHVulnerability
Verified
Global
NVD HIGH: CVE-2026-102996 — pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a craf...
·Source: NIST NVD
Updated:
Executive Summary
pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can provide a TrueType or Type1 simple font with an unusually large /Widths array, causing pypdf/_font.py Font._collect_tt_t1_character_widths to process entries beyond the 256 character codes meaningful for a simple font and consume excessive memory during operations such as text extraction. This issue is fixe
Analysis
pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can provide a TrueType or Type1 simple font with an unusually large /Widths array, causing pypdf/_font.py Font._collect_tt_t1_character_widths to process entries beyond the 256 character codes meaningful for a simple font and consume excessive memory during operations such as text extraction. This issue is fixed in version 6.18.1. CVSS Score: 7.5. Published: 2026-09-30T21:17:06.863.