Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTloeDItaGdxMi0yZzRm

Regular Expression Denial of Service (ReDoS) in Pillow

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.

Permalink: https://github.com/advisories/GHSA-9hx2-hgq2-2g4f
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTloeDItaGdxMi0yZzRm
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: 10 months ago

CVSS Score: 6.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Identifiers: GHSA-9hx2-hgq2-2g4f, CVE-2021-25292
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-25292
• https://github.com/python-pillow/Pillow/commit/3bce145966374dd39ce58a6fc0083f8d1890719c
• https://github.com/python-pillow/Pillow/commit/6207b44ab1ff4a91d8ddc7579619876d0bb191a4
• https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
• https://security.gentoo.org/glsa/202107-33
• https://github.com/advisories/GHSA-9hx2-hgq2-2g4f

Affected Packages