CVE-2026-27628EPSS p33.9%
CVE-2026-27628CVE-2026-27628
py-pdf / pypdf
Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.40% probability of exploitation · percentile 33.9% · 2026-11-03T12:00:27Z |
| Last modified | 2026-11-02 |