CVE-2026-19387

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{"acknowledgement": "Red Hat would like to thank Seonwook Kim for reporting this issue.", "bugzilla": {"description": "gstreamer: gstreamer1-plugins-bad-free: gstreamer: heap out-of-bounds write in adpcmdec IMA/DVI ADPCM decoder", "id": "2513015", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513015"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A heap out-of-bounds write vulnerability was found in the GStreamer gst-plugins-bad adpcmdec element when decoding IMA/DVI ADPCM audio. Insufficient validation of the per-block sample count for multi-channel streams allows a crafted WAV file to cause writes beyond the allocated output buffer. This can lead to application crash, denial of service, memory corruption, or potentially arbitrary code execution when untrusted media is processed."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid playing or processing untrusted multi-channel IMA ADPCM WAV files. Additionally, consider sandboxing applications that handle untrusted media to limit the potential impact of exploitation."}, "name": "CVE-2026-19387", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "gstreamer1-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "gstreamer1-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "gstreamer1-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "gstreamer1-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19387\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19387\nhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12235\nhttps://gstreamer.freedesktop.org/releases/1.28/"], "statement": "This is an Important flaw in the GStreamer `adpcmdec` element, which is automatically engaged when processing IMA/DVI ADPCM audio. A specially crafted multi-channel WAV file can trigger a heap out-of-bounds write, leading to application instability, denial of service, or potential code execution. This risk is present in Red Hat environments where applications handle untrusted media, such as in media players or transcoding services.", "threat_severity": "Important"}

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