{"affected":[{"defaultStatus":"unaffected","product":"imgproxy","source":"CNA: VulnCheck","vendor":"imgproxy","versions":[{"lessThan":"4.0.16","status":"affected","version":"3.3.0","versionType":"semver"},{"status":"unaffected","version":"4.0.16","versionType":"semver"}]}],"cveId":"CVE-2026-123616","cwes":["CWE-789"],"description":"imgproxy from 3.3.0 before 4.0.16 contains an unbounded memory allocation vulnerability in the ICO loader that fails to validate the data_size field. Attackers can supply a crafted 23-byte ICO file declaring a ~4GB data_size to trigger memory exhaustion and worker crashes without authentication.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794101920389,"publishedAt":1794101920389,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/imgproxy/imgproxy/security/advisories/GHSA-mmq5-xm89-9pfg"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/imgproxy-3.3.0-before-4.0.16-memory-exhaustion-dos-via-ico-loader"}],"remediation":[],"revision":"9da75580f45f2359e926fa02eef226d925c369a07242fe6cbd62d37bbfa85d4b","sources":[{"modifiedAt":1794101920389,"name":"CNA: VulnCheck","retrievedAt":1794103855719,"url":"https://www.cve.org/CVERecord?id=CVE-2026-123616"}],"ssvc":null,"status":"published","title":"imgproxy 3.3.0 before 4.0.16 Memory Exhaustion DoS via ICO Loader","updatedAt":1794103855719}