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A remote attacker can send a specially crafted JSON Web Encryption (JWE) token containing numerous period delimiters. This malformed token can force the JWE.deserialize() function to allocate excessive memory, leading to a MemoryError. This issue results in a denial of service (DoS) for services that process untrusted JWE values."}], "id": "CVE-2026-80179", "lastModified": "2026-08-28T20:20:08.250", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-80179", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-28T15:33:23.609206Z", "version": "2.0.3"}}]}, "published": "2026-08-28T00:18:20.337", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-80179"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524147"}, {"source": "secalert@redhat.com", "url": "https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "jwcrypto: jwcrypto: Denial of Service via malformed JWE tokens", "id": "2524147", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524147"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in jwcrypto. A remote attacker can send a specially crafted JSON Web Encryption (JWE) token containing numerous period delimiters. This malformed token can force the JWE.deserialize() function to allocate excessive memory, leading to a MemoryError. This issue results in a denial of service (DoS) for services that process untrusted JWE values."], "name": "CVE-2026-80179", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-24/controller-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-24/lightspeed-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-25/controller-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-25/gateway-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": 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"fix_state": "Under investigation", "package_name": "python-jwcrypto", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-feature-server-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-kserve-storage-initializer-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-mistral-executor", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-nova-api", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-nova-compute-ironic", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-novajoin-base", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-novajoin-notifier", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-novajoin-server", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-tempest", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "rhosp-rhel8/openstack-tripleoclient", "product_name": "Red Hat OpenStack Platform 16.2"}], "public_date": "2026-08-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80179\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80179\nhttps://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4"], "statement": "This moderate impact flaw in the `jwcrypto` library can lead to a denial of service in Red Hat products that process untrusted JSON Web Encryption (JWE) values. An attacker could provide a specially crafted malformed JWE token, causing excessive memory allocation and potentially degrading service availability.", "threat_severity": "Moderate"}