CVE-2021-25292: Improper Input Validation

March 19, 2021 (updated August 8, 2023)

An issue was discovered in Pillow The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.

References

nvd.nist.gov/vuln/detail/CVE-2021-25292
pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html

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