Description
Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the convolution filter regular expression performs exponential backtracking on crafted repeated numeric input, allowing a URL request to exhaust processing time. This issue is fixed in 7.8.0.
CVSS 7.5EPSS 0.335%Risk 0.77
View source- Published
- 2026-07-31 19:17:09
- Affected versions
- <7.8.0
- Type
- Web application
- Last modified
- 2026-08-01 00:17:16
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H