{"id":"CVE-2026-89059","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89059","summary":"A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A…","details":"A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafted image declaring enormous dimensions to trigger a very large memory allocation, exhausting the JVM heap and resulting in a denial of service.","published":"2026-09-18T08:17:01.783","modified":"2026-09-18T08:17:01.783","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-89059"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2519756"},{"type":"WEB","url":"https://github.com/resteasy/resteasy/security/advisories/GHSA-m4pc-7gc7-9vw2"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T08:17:01.783"}}