CVE-2026-49460 — Vulnerability intelligence

py-pdf — pypdf

Published: 2026-06-22T21:16:24.940

CVSS

5.1

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 long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. This vulnerability is fixed in 6.12.2.

Sources

• CVE-2026-49460
• Issue Tracking, Patch
• Patch, Release Notes
• Patch, Vendor Advisory