GHSA-9hx2-hgq2-2g4f
Regular Expression Denial of Service (ReDoS) in Pillow
At a glance
- Published
- Updated
- CVE
- CVE-2021-25292
- Aliases
- BIT-pillow-2021-25292, PYSEC-2021-38
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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 packages
| Package | Versions |
|---|---|
| PyPI · pillow | introduced 5.1.0, fixed 8.1.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-25292 ADVISORY
- https://github.com/python-pillow/Pillow/commit/3bce145966374dd39ce58a6fc0083f8d1890719c WEB
- https://github.com/python-pillow/Pillow/commit/521dab94c7ab72b037bd9a83e9663401e0fd2cee WEB
- https://github.com/python-pillow/Pillow/commit/6207b44ab1ff4a91d8ddc7579619876d0bb191a4 WEB
- https://github.com/advisories/GHSA-9hx2-hgq2-2g4f ADVISORY
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-38.yaml WEB
- https://github.com/python-pillow/Pillow WEB
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html WEB
- https://security.gentoo.org/glsa/202107-33 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |