CVE-2026-119196

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{"bugzilla": {"description": "pyasn1: pyasn1: Denial of Service via constructed bit string decoding", "id": "2563666", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563666"}, "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 can cause a Denial of Service (DoS) by sending specially crafted Abstract Syntax Notation One (ASN.1) data containing multiple constructed bit string fragments. When decoding these fragments, the library repeatedly copies and shifts accumulated bit data, leading to quadratic processing time and excessive CPU consumption."], "name": "CVE-2026-119196", "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"}, 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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": "2026-10-29T19:44:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-119196\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-119196\nhttps://github.com/pyasn1/pyasn1/commit/73ba7b043cc7e92cb37f16f2c955bff93b0e6f6c\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-2qm8-x737-gmw5"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.6.5)"}}], "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": "2026-10-29T20:30:18.007646+00:00", "updated": "2026-10-30T14:45:14.962776+00:00", "vendors": ["pyasn1", "pyasn1$PRODUCT$pyasn1"]}