{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-125704",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "state": "PUBLISHED",
        "assignerShortName": "redhat",
        "dateReserved": "2026-11-10T10:24:52.013Z",
        "datePublished": "2026-11-10T10:43:20.844Z",
        "dateUpdated": "2026-11-12T05:33:27.502Z"
    },
    "containers": {
        "cna": {
            "title": "Gstreamer: gstreamer: use-after-free in gstreamer core buffer value deserialization",
            "metrics": [
                {
                    "other": {
                        "content": {
                            "value": "Important",
                            "namespace": "https://access.redhat.com/security/updates/classification/"
                        },
                        "type": "Red Hat severity rating"
                    }
                },
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established."
                }
            ],
            "affected": [
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gstreamer1",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.26.7-5.el10_3.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.3"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gstreamer1",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.16.1-3.el8_10",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8::appstream"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gstreamer1",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.22.12-3.el9_9.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gstreamer1",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:7"
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:99090",
                    "name": "RHSA-2026:99090",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:99129",
                    "name": "RHSA-2026:99129",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:99228",
                    "name": "RHSA-2026:99228",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/security/cve/CVE-2026-125704",
                    "tags": [
                        "vdb-entry",
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                    ]
                },
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2569128",
                    "name": "RHBZ#2569128",
                    "tags": [
                        "issue-tracking",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/11583.patch"
                },
                {
                    "url": "https://gstreamer.freedesktop.org/security/sa-2026-0028.html"
                }
            ],
            "datePublic": "2026-05-11T00:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-416",
                            "description": "Use After Free",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "x_redhatCweChain": "CWE-416: Use After Free",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There is no complete mitigation for applications that continue to deserialize untrusted GStreamer caps or structure strings. Restrict access to network-facing GStreamer Data Protocol receivers to trusted peers, and avoid passing externally supplied strings to gst_caps_from_string() or gst_structure_from_string() until an update is available. These measures reduce exposure only where the application can control those input paths."
                }
            ],
            "timeline": [
                {
                    "lang": "en",
                    "time": "2026-05-11T00:00:00.000Z",
                    "value": "Reported to Red Hat."
                },
                {
                    "lang": "en",
                    "time": "2026-05-11T00:00:00.000Z",
                    "value": "Made public."
                }
            ],
            "providerMetadata": {
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                "shortName": "redhat",
                "dateUpdated": "2026-11-12T05:33:27.502Z"
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