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CVE-2026-48735

Published: May 28, 2026

Modified: Jun 2, 2026

PUBLISHED

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.12.1, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. This vulnerability is fixed in 6.12.1.

Vendor	Product	Versions
py-pdf	pypdf	affected `< 6.12.1`

Weaknesses (CWE)

References

https://github.com/py-pdf/pypdf/security/advisories/GHSA-wjqc-6w8f-h24c

x_refsource_CONFIRM

https://github.com/py-pdf/pypdf/pull/3796

x_refsource_MISC

https://github.com/py-pdf/pypdf/releases/tag/6.12.1

x_refsource_MISC

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