{"id":"CVE-2026-123614","title":"imgproxy 4.0.0 before 4.0.16 Heap Buffer Overflow via ICO Loader Integer Overflow","summary":"imgproxy from 4.0.0 before 4.0.16 contains an integer overflow in the ICO loader that allows remote attackers to trigger a heap buffer overflow via a crafted data_size value. Attackers can submit a crafted ICO image whose data_size wraps…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-122"],"vendor":"imgproxy","product":"imgproxy","affected":["imgproxy >= 4.0.0 < 4.0.16"],"published":"2026-11-08","updated":"2026-11-08","sourceUpdated":"2026-11-08T01:38:38.284Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123614","references":[{"url":"https://github.com/imgproxy/imgproxy/security/advisories/GHSA-hff9-5pqw-6w9f","label":"GitHub Security Advisory (GHSA-hff9-5pqw-6w9f)"},{"url":"https://www.vulncheck.com/advisories/imgproxy-4.0.0-before-4.0.16-heap-buffer-overflow-via-ico-loader-integer-overflow","label":"VulnCheck Advisory: imgproxy 4.0.0 before 4.0.16 Heap Buffer Overflow via ICO Loader Integer Overflow"}],"tags":["cve.org"],"ingestedAt":"2026-11-08T02:43:18.636Z","slug":"CVE-2026-123614","body":"## Overview\n\nimgproxy from 4.0.0 before 4.0.16 contains an integer overflow in the ICO loader that allows remote attackers to trigger a heap buffer overflow via a crafted data_size value. Attackers can submit a crafted ICO image whose data_size wraps the allocation in vips/icoload.c, corrupting heap memory to crash the process or achieve code execution.\n\n## Affected\n\n- `imgproxy >= 4.0.0 < 4.0.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}