CVE-2026-48735
5.5
MEDIUM
CVSS 3.1
EPSS 0.01%
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.
How to fix CVE-2026-48735
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/pypdf—no fix listed
- —no fix listed
Is CVE-2026-48735 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |