CVE-2026-53505
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, Thumbor's filters:proportion(<value>) filter does not enforce an upper bound on <value> and runs in the post-transform phase. An attacker can trigger extremely large resizes (CPU/memory exhaustion) and cause denial of service. 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
References
- https://github.com/thumbor/thumbor/security/advisories/GHSA-phj3-59pf-cp83
- https://github.com/thumbor/thumbor/commit/2c716119de986cfc68c7071af52a98187e006023
- https://github.com/thumbor/thumbor/releases/tag/7.8.0
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