CVE-2026-54531
Medium · 5.5CVSS
5.5
EPSS
0.2%
Published
Jun 22, 2026
CISA due date
—
The record
pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with outlines into a writer. This vulnerability is fixed in 6.13.0.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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