CVE-2026-48155 — Vulnerability intelligence

py-pdf — pypdf

Published: 2026-05-28T16:16:28.890

CVSS

4.8

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets. This vulnerability is fixed in 6.12.0.

Sources

• CVE-2026-48155
• Issue Tracking, Patch
• Release Notes
• Patch, Vendor Advisory