HIGH 7.5 NVD
CVE-2026-53504
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 c
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.
References
- https://github.com/thumbor/thumbor/commit/3f38fe1610d20168e91f76d432212de30727eb2e
- https://github.com/thumbor/thumbor/releases/tag/7.8.0
- https://github.com/thumbor/thumbor/security/advisories/GHSA-5vjc-7cxw-4w6j
- https://github.com/thumbor/thumbor/security/advisories/GHSA-5vjc-7cxw-4w6j
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-07-31 via NVD.
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