GHSA-9hx2-hgq2-2g4fMediumCVSS 6.5
Regular Expression Denial of Service (ReDoS) in Pillow
🔗 CVE IDs covered (1)
📋 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.
🎯 Affected products1
- pip/Pillow:>= 5.1.0, < 8.1.1
🔗 References (8)
- 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/python-pillow/Pillow/commit/521dab94c7ab72b037bd9a83e9663401e0fd2cee
- https://github.com/advisories/GHSA-9hx2-hgq2-2g4f
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-38.yaml