Regular Expression Denial of Service (ReDoS) in Pillow

MÉDIO 6.5CVE-2021-25292 · BIT-pillow-2021-25292 · GHSA-9hx2-hgq2-2g4f · Published 19/03/2021 · updated 17/06/2026

Em resumo

CVE-2021-25292 é uma vulnerabilidade MÉDIO (CVSS 6.5) que afeta pillow, pillow (python).
Chance de exploração nos próximos 30 dias (EPSS): 1.7%, maior que 77.6% das vulnerabilidades.
Correção: atualize para 8.1.1 ou posterior.

Package	Affected versions	Patched versions
pillow PyPI	`≥ 5.1.0, < 8.1.1< 8.1.1`	`8.1.1`
pillow python	`< 8.1.1`	`8.1.1`

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.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2021-25292 · ADVISORY
python-pillow/Pillow commit 3bce145 · WEB
python-pillow/Pillow commit 521dab9 · WEB
python-pillow/Pillow commit 6207b44 · WEB
GitHub Advisory GHSA-9hx2-hgq2-2g4f · ADVISORY
pypa/advisory-database · WEB
python-pillow/Pillow · WEB
pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html · WEB
security.gentoo.org/glsa/202107-33 · WEB

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Package

Affected versions

Patched versions

pillow

PyPI

≥ 5.1.0, < 8.1.1< 8.1.1

8.1.1

pillow

python

< 8.1.1

8.1.1

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.

NVD 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.

Mais vulnerabilidades de pillow

Ver tudo →