CVE-2026-49461 — Vulnerability intelligence

py-pdf — pypdf

Published: 2026-06-22T21:16:25.070

CVSS

6.9

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 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. This vulnerability is fixed in 6.12.2.

Sources

• CVE-2026-49461
• Issue Tracking, Patch
• Patch, Release Notes
• Patch, Vendor Advisory