CVE-2026-40260EPSS p36.6%
CVE-2026-40260CVE-2026-40260
py-pdf / pypdf
Description
pypdf is a free and open-source pure-python PDF library. In versions prior to 6.10.0, manipulated XMP metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. This issue has been fixed in version 6.10.0.
Scoring
| CVSS | 5.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| EPSS | 0.42% probability of exploitation · percentile 36.6% · 2026-11-03T12:00:27Z |
| Last modified | 2026-11-02 |