CVE-2026-19389

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Insufficient validation of attacker-controlled length and size values can bypass bounds checks and cause out-of-bounds heap reads. This can result in application crash, denial of service, or limited information disclosure when untrusted media is processed."}], "id": "CVE-2026-19389", "lastModified": "2026-11-04T23:17:24.287", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19389", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-10T17:25:25.630002Z", "version": "2.0.3"}}]}, "published": "2026-08-10T03:16:40.380", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55435"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55865"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:67882"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:67883"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:67930"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:67931"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-19389"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513016"}, {"source": "secalert@redhat.com", "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12233"}, {"source": "secalert@redhat.com", "url": "https://gstreamer.freedesktop.org/releases/1.28/"}, {"source": "secalert@redhat.com", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0075.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Seonwook Kim for reporting this issue.", "bugzilla": {"description": "gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux bounds checks leading to out-of-bounds read", "id": "2513016", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513016"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["Multiple integer overflow and underflow vulnerabilities were found in the GStreamer gst-plugins-ugly ASF demuxer (asfdemux) when parsing header objects from crafted ASF, WMV, or WMA files. Insufficient validation of attacker-controlled length and size values can bypass bounds checks and cause out-of-bounds heap reads. This can result in application crash, denial of service, or limited information disclosure when untrusted media is processed."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-19389", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "gstreamer1-plugins-ugly-free", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "gstreamer1-plugins-ugly-free", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "gstreamer1-plugins-ugly-free", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "gstreamer1-plugins-ugly-free", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19389\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19389\nhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12233\nhttps://gstreamer.freedesktop.org/releases/1.28/\nhttps://gstreamer.freedesktop.org/security/sa-2026-0075.html"], "statement": "This is an Important flaw. Integer overflow and underflow vulnerabilities in the GStreamer ASF demuxer can lead to a denial of service and limited heap information disclosure. This occurs when processing specially crafted ASF/WMV/WMA files, a risk amplified by the demuxer being automatically utilized by GStreamer's common playback elements in Red Hat products.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat Enterprise Linux 10", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "redhat"}], "created": "2026-08-10T04:30:11.142991+00:00", "updated": "2026-08-11T14:26:14.125537+00:00", "vendors": ["redhat", "redhat$PRODUCT$enterprise_linux"]}