CVE-2026-119194

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{"bugzilla": {"description": "pyasn1: pyasn1: Denial of Service via hash collisions in schemaless decoding", "id": "2563664", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563664"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in pyasn1. A remote attacker could trigger a Denial of Service (DoS) by sending specially crafted Abstract Syntax Notation One (ASN.1) data containing colliding tag identifiers during schemaless decoding. Processing these inputs causes inefficient container lookups that consume excessive CPU resources, leading to service degradation or unresponsiveness."], "name": "CVE-2026-119194", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_orchestrator:2026.8", "fix_state": "Affected", "package_name": "ansible-automation-platform/automation-orchestrator-backend-rhel9", "product_name": "Ansible Automation Orchestrator 2026"}, {"cpe": "cpe:/a:redhat:exploit_intelligence:0", "fix_state": "Affected", "package_name": "exploit-intelligence/vulnerability-analysis-rhel9", "product_name": "Exploit Intelligence"}, {"cpe": "cpe:/a:redhat:workload_availability_far:0", "fix_state": "Affected", "package_name": "workload-availability/fence-agents-remediation-rhel9-operator", "product_name": "Fence Agents Remediation Operator"}, {"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Affected", "package_name": "lightspeed-core/lightspeed-stack-rhel9", "product_name": "Lightspeed Core"}, {"cpe": 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"cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-ogx-core-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-pipeline-runtime-datascience-cpu-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-pipeline-runtime-pytorch-llmcompressor-cuda-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-pipeline-runtime-pytorch-rocm-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": 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"product_name": "Red Hat OpenShift Container Platform 5"}, {"cpe": "cpe:/a:redhat:openshift:5", "fix_state": "Affected", "package_name": "python-pyasn1", "product_name": "Red Hat OpenShift Container Platform 5"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Affected", "package_name": "python-pyasn1", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Affected", "package_name": "python-pyasn1", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-advisor-backend-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Affected", "package_name": "rhtas/model-transparency-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Affected", "package_name": "rhtas/rh-sigstore-a2a-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}, {"cpe": "cpe:/a:redhat:stf:1.5", "fix_state": "Affected", "package_name": "stf/prometheus-webhook-snmp-rhel9", "product_name": "Service Telemetry Framework 1.5"}, {"cpe": "cpe:/a:redhat:stf:1.5", "fix_state": "Affected", "package_name": "stf/service-telemetry-rhel9-operator", "product_name": "Service Telemetry Framework 1.5"}, {"cpe": "cpe:/a:redhat:stf:1.5", "fix_state": "Affected", "package_name": "stf/smart-gateway-rhel9-operator", "product_name": "Service Telemetry Framework 1.5"}], "public_date": "2026-10-29T19:38:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-119194\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-119194\nhttps://github.com/pyasn1/pyasn1/commit/a36e3a3d067148d26197a6b7221fd0e2cde9cc86\nhttps://github.com/pyasn1/pyasn1/pull/132\nhttps://github.com/pyasn1/pyasn1/releases/tag/v0.6.5\nhttps://github.com/pyasn1/pyasn1/security/advisories/GHSA-fm9c-5rcf-2q5p"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.3.3,0.6.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pyasn1", "source": "cna", "vendor": "pyasn1"}, "product": "pyasn1", "vendor": "pyasn1"}], "created": "2026-10-29T20:30:18.008383+00:00", "updated": "2026-10-30T14:45:14.964296+00:00", "vendors": ["pyasn1", "pyasn1$PRODUCT$pyasn1"]}