CVE-2021-25292: Regular Expression Denial of Service (ReDoS) in Pillow
(updated )
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.
References
- github.com/advisories/GHSA-9hx2-hgq2-2g4f
- github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-38.yaml
- github.com/python-pillow/Pillow
- github.com/python-pillow/Pillow/commit/3bce145966374dd39ce58a6fc0083f8d1890719c
- github.com/python-pillow/Pillow/commit/521dab94c7ab72b037bd9a83e9663401e0fd2cee
- github.com/python-pillow/Pillow/commit/6207b44ab1ff4a91d8ddc7579619876d0bb191a4
- nvd.nist.gov/vuln/detail/CVE-2021-25292
- pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
- security.gentoo.org/glsa/202107-33
Code Behaviors & Features
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