{"action":"Upgrade thumbor to 7.8.0 or later.","affected":[{"fixed":"7.8.0","introduced":"0"}],"component":"thumbor","cve_ids":["CVE-2026-53503"],"ecosystem":"PyPI","epss":0.0075,"exploited":false,"fixed_versions":["7.8.0"],"ghsa_id":"GHSA-cqjp-jf4r-h5q9","id":"tcs_01M5KH6CEM1JT1MXT5V6TDYYK7","modified_at":"2026-08-04T14:30:17.900502764Z","published_at":"2026-08-04T11:34:46.338544Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3619","https://github.com/thumbor/thumbor/security/advisories/GHSA-cqjp-jf4r-h5q9","https://github.com/thumbor/thumbor/commit/447e192e3fb92e64c12e5354a56a4a7133f69d73","https://github.com/thumbor/thumbor","https://github.com/thumbor/thumbor/releases/tag/7.8.0","https://pypi.org/project/thumbor","https://github.com/advisories/GHSA-cqjp-jf4r-h5q9","https://nvd.nist.gov/vuln/detail/CVE-2026-53503"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3619","url":"https://osv.dev/vulnerability/PYSEC-2026-3619"}],"summary":"Thumbor convolution filter allows divide-by-zero in C extension leading to remote DoS"}