{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-88763", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-10T06:55:26.368Z", "datePublished": "2026-09-10T07:09:10.227Z", "dateUpdated": "2026-10-13T21:40:40.196Z" }, "containers": { "cna": { "title": "Skupper-router: skupper-router: unbounded recursion in amqp field parser leads to denial of service", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in the skupper-router component of Red Hat Service Interconnect, which is used to provide secure communication between distributed services. The issue occurs when the router processes a specially crafted network message using its AMQP field parser. Due to a lack of bounds on recursion during parsing, the router can run out of stack memory and crash, leading to a denial of service for the interconnected network." } ], "affected": [ { "vendor": "Red Hat", "product": "Service Interconnect 2 for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "skupper-router", "defaultStatus": "affected", "versions": [ { "version": "0:3.5.3-1.el8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:service_interconnect:2.0::el8", "cpe:/a:redhat:service_interconnect:2.0::el9" ] }, { "vendor": "Red Hat", "product": "Service Interconnect 2 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "skupper-router", "defaultStatus": "affected", "versions": [ { "version": "0:3.5.3-1.el9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:service_interconnect:2.0::el8", "cpe:/a:redhat:service_interconnect:2.0::el9" ] }, { "vendor": "Red Hat", "product": "Service Interconnect 2 for RHEL 9", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "service-interconnect/skupper-router-rhel9", "defaultStatus": "affected", "versions": [ { "version": "3.5.3-1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:service_interconnect:2.0::el9" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:82316", "name": "RHSA-2026:82316", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:82340", "name": "RHSA-2026:82340", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-88763", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2531301", "name": "RHBZ#2531301", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2026-09-10T06:56:33.524Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-674", "description": "Uncontrolled Recursion", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-674: Uncontrolled Recursion", "timeline": [ { "lang": "en", "time": "2026-08-24T18:59:56.000Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-09-10T06:56:33.524Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Gjoko Krstic (Zero Science Lab) for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-13T21:40:40.196Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-14T16:36:19.640574Z", "id": "CVE-2026-88763", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T16:36:29.587Z" } } ] } }