{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-6856",
        "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "state": "PUBLISHED",
        "assignerShortName": "mozilla",
        "dateReserved": "2023-12-15T17:42:54.919Z",
        "datePublished": "2023-12-19T13:38:36.493Z",
        "dateUpdated": "2024-08-02T08:42:08.187Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Firefox ESR",
                    "vendor": "Mozilla",
                    "versions": [
                        {
                            "lessThan": "115.6",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "product": "Thunderbird",
                    "vendor": "Mozilla",
                    "versions": [
                        {
                            "lessThan": "115.6",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "product": "Firefox",
                    "vendor": "Mozilla",
                    "versions": [
                        {
                            "lessThan": "121",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver.  This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "The WebGL <code>DrawElementsInstanced</code> method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver.  This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121."
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Heap-buffer-overflow affecting WebGL DrawElementsInstanced method with Mesa VM driver",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1843782"
                },
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2023-54/"
                },
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2023-55/"
                },
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2023-56/"
                },
                {
                    "url": "https://www.debian.org/security/2023/dsa-5581"
                },
                {
                    "url": "https://www.debian.org/security/2023/dsa-5582"
                },
                {
                    "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html"
                },
                {
                    "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"
                },
                {
                    "url": "https://security.gentoo.org/glsa/202401-10"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "DoHyun Lee"
                }
            ],
            "providerMetadata": {
                "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
                "shortName": "mozilla",
                "dateUpdated": "2023-12-19T16:42:14.178Z"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T08:42:08.187Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1843782",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.mozilla.org/security/advisories/mfsa2023-54/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.mozilla.org/security/advisories/mfsa2023-55/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.mozilla.org/security/advisories/mfsa2023-56/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.debian.org/security/2023/dsa-5581",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.debian.org/security/2023/dsa-5582",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://security.gentoo.org/glsa/202401-10",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}