{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53505", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-09T17:05:25.059Z", "datePublished": "2026-07-31T19:00:22.755Z", "dateUpdated": "2026-07-31T19:00:22.755Z"}, "containers": {"cna": {"title": "Thumbor proportion filter allows unbounded post-transform resize leading to remote DoS", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/thumbor/thumbor/security/advisories/GHSA-phj3-59pf-cp83", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/thumbor/thumbor/security/advisories/GHSA-phj3-59pf-cp83"}, {"name": "https://github.com/thumbor/thumbor/commit/2c716119de986cfc68c7071af52a98187e006023", "tags": ["x_refsource_MISC"], "url": "https://github.com/thumbor/thumbor/commit/2c716119de986cfc68c7071af52a98187e006023"}, {"name": "https://github.com/thumbor/thumbor/releases/tag/7.8.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/thumbor/thumbor/releases/tag/7.8.0"}], "affected": [{"vendor": "thumbor", "product": "thumbor", "versions": [{"version": "< 7.8.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-31T19:00:22.755Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-phj3-59pf-cp83", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.8.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "thumbor", "source": "cna", "vendor": "thumbor"}, "product": "thumbor", "vendor": "thumbor"}], "created": "2026-08-02T04:00:06.807570+00:00", "updated": "2026-08-02T20:32:15.307295+00:00", "vendors": ["thumbor", "thumbor$PRODUCT$thumbor"]}