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.

INFO

Published Date :

2026-02-20T21:11:20.441Z

Last Modified :

2026-02-20T21:11:20.441Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-27025 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-27025.

URL Resource
https://github.com/py-pdf/pypdf/commit/77d7b8d7cfbe8dd179858dfa42666f73fc6e57a2 cve-icon cve-icon
https://github.com/py-pdf/pypdf/pull/3646 cve-icon cve-icon
https://github.com/py-pdf/pypdf/releases/tag/6.7.1 cve-icon cve-icon
https://github.com/py-pdf/pypdf/security/advisories/GHSA-wgvp-vg3v-2xq3 cve-icon cve-icon
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