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CVE-2026-27025

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score
5.5 / 10
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vulnerability Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the /ToUnicode entry of a font with unusually large values, for example during text extraction. This vulnerability is fixed in 6.7.1.

Vulnerability Details

Published Date
Last Modified
CWE ID
CWE-834
Source
GitHub
Vendor
pip
Product
pypdf

External References

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