{"id":"CVE-2026-89059","aliases":[],"cve":{"records":[{"id":"CVE-2026-89059","source":"redhat","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-10T18:20:52.115Z","published":"2026-09-18T07:13:39.763Z","modified":"2026-10-29T19:44:23.173Z"}],"publishers":[{"name":"redhat","role":"CNA","organizationId":"53f830b8-0a3f-465b-8143-3b8a9948e749","modified":"2026-10-29T19:44:23.173Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-09-18T15:13:38.045Z"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:83082","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:83520","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:85234","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:92408","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89059","tags":["vdb-entry","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2519756","tags":["issue-tracking","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://github.com/resteasy/resteasy/commit/7c7e6b37c8b2451a37aed9cdc6978b447456bacb","tags":[],"source":"redhat"},{"url":"https://github.com/resteasy/resteasy/security/advisories/GHSA-m4pc-7gc7-9vw2","tags":[],"source":"redhat"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2519756","tags":["exploit"],"source":"CISA-ADP"},{"url":"https://github.com/resteasy/resteasy/security/advisories/GHSA-m4pc-7gc7-9vw2","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-409","description":"Improper Handling of Highly Compressed Data (Data Amplification)","source":"redhat"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-09-18T15:13:24.737882Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)","titleSource":"redhat","descriptionSource":"redhat","description":"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.","score":7.5,"severity":"high","published":"2026-09-18T07:13:39.763Z","modified":"2026-10-29T19:44:23.173Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Red Hat","name":"RESTEasy","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"6.2.19.Final","versionType":"maven"},{"version":"7.0.0.Alpha1","status":"affected","lessThan":"7.0.5.Final","versionType":"maven"}],"defaultStatus":"unaffected","cpes":[],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat build of Quarkus 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3","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:debezium:3"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Build of Keycloak","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Build of Keycloak","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Certificate System 10","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:certificate_system:10"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Certificate System 11","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:certificate_system:11"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 8","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 9","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 9","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Fuse 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Platform 7","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform 7","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform 8","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform Expansion Pack","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:jbosseapxp"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Satellite 6","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:satellite:6"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"},{"vendor":"Red Hat","name":"Red Hat Single Sign-On 7","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"}],"remediation":[],"references":["https://access.redhat.com/errata/RHSA-2026:83082","https://access.redhat.com/errata/RHSA-2026:83520","https://access.redhat.com/errata/RHSA-2026:85234","https://access.redhat.com/errata/RHSA-2026:92408","https://access.redhat.com/security/cve/CVE-2026-89059","https://bugzilla.redhat.com/show_bug.cgi?id=2519756","https://github.com/resteasy/resteasy/commit/7c7e6b37c8b2451a37aed9cdc6978b447456bacb","https://github.com/resteasy/resteasy/security/advisories/GHSA-m4pc-7gc7-9vw2"],"sources":[{"name":"CVE","id":"CVE-2026-89059","modified":"2026-10-29T19:44:23.173Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"}],"assessments":[{"source":"redhat","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5}],"sourceAffected":[],"observedAt":"2026-10-29T20:46:53.931Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:10:30.844Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T07:40:39.468Z","attemptedAt":"2026-10-30T07:40:39.468Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-30T07:40:39.344Z","attemptedAt":"2026-10-30T07:40:39.344Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T07:40:39.166Z","attemptedAt":"2026-10-30T07:40:39.166Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T07:40:39.419Z","attemptedAt":"2026-10-30T07:40:39.419Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-82735","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-82735","modified":"Oct 29, 2026, 7:44:23 PM","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-30T07:40:39.166Z"},{"source":"FIRST EPSS","id":"CVE-2026-89059","url":"https://www.first.org/epss/","probability":0.00758,"percentile":0.55131,"date":"2026-10-29","checkedAt":"2026-10-30T07:40:39.419Z"},{"source":"NVD","id":"CVE-2026-89059","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89059","modified":"2026-10-29T20:17:36.213","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-30T07:40:39.468Z"}],"aiSummary":{"text":"A flaw in RESTEasy's IIOImageProvider can cause a denial of service. Affected versions include RESTEasy less than 6.2.19.Final and 7.0.0.Alpha1 less than 7.0.5.Final. A remote, unauthenticated attacker can trigger a large memory allocation.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:48:48.789Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-89059"}]}}