VulnerabilityModified
CVE-2021-25292
The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.
MEDIUM 6.5EPSS 1.64%
Does this matter?
Lower severity and a low EPSS score (1.64%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.64% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1333
- Affected
- python/pillow
- Source
- cve@mitre.org
References
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease Notes, Vendor Advisory
- https://security.gentoo.org/glsa/202107-33Third Party Advisory
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease Notes, Vendor Advisory
- https://security.gentoo.org/glsa/202107-33Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.