CVE-2026-1940

{"id": "CVE-2026-1940", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 2.5}]}, "published": "2026-03-23T22:16:25.043", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-1940", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436932", "source": "secalert@redhat.com"}, {"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4854", "source": "secalert@redhat.com"}, {"url": "https://gstreamer.freedesktop.org/security/sa-2026-0001.html", "source": "secalert@redhat.com"}, {"url": "https://security-tracker.debian.org/tracker/CVE-2026-1940", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The patch added a size validation check lsize + 8 > size, but it does not account for the GST_ROUND_UP_2(lsize) used in the actual offset calculation. When lsize is an odd number, the parser advances more bytes than validated, causing OOB read."}, {"lang": "es", "value": "Una soluci\u00f3n incompleta para CVE-2024-47778 permite una lectura fuera de l\u00edmites en la funci\u00f3n gst_wavparse_adtl_chunk(). El parche a\u00f1adi\u00f3 una comprobaci\u00f3n de validaci\u00f3n de tama\u00f1o lsize + 8 > size, pero no tiene en cuenta el GST_ROUND_UP_2(lsize) utilizado en el c\u00e1lculo real del desplazamiento. Cuando lsize es un n\u00famero impar, el analizador avanza m\u00e1s bytes de los validados, provocando una lectura OOB."}], "lastModified": "2026-03-24T15:54:09.400", "sourceIdentifier": "secalert@redhat.com"}