CVE-2026-53504
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| thumbor | thumbor | < 7.8.0 | affected |
Weaknesses
- CWE-400: CWE-400: Uncontrolled Resource Consumption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
References
- https://github.com/thumbor/thumbor/security/advisories/GHSA-5vjc-7cxw-4w6j
- https://github.com/thumbor/thumbor/commit/3f38fe1610d20168e91f76d432212de30727eb2e
- https://github.com/thumbor/thumbor/releases/tag/7.8.0
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