CVE-2026-53504

CVE-2026-53504CVE-2026-53504

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.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-08-01
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.