CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-2021-25292
Medium (6.5) in python pillow. EPSS 1.7% chance of exploitation in the next 30 days. Fixed in pillow 8.1.1.
An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.
Severity
- EPSS
- 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1333
- Published
- Modified
- Record from
- the NVD, synced
Affected
- python:pillow
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-9hx2-hgq2-2g4f | PyPI | pillow | >=5.1.0 <8.1.1 | 8.1.1 |
| PYSEC-2021-38 | PyPI | pillow | <8.1.1 | 8.1.1 |