CVE-2026-53504
Fixed in a distro release EPSS <1%CVSS 7.5
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.
Products: thumbor
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| PyPI | thumbor | 7.8.0 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 14 | thumbor | 7.8.0-1 |
| Ubuntu 26.04 LTS | thumbor | no fix |