GHSA-9846-HQMR-2486
Vulnerability from github – Published: 2023-12-19 15:30 – Updated: 2023-12-22 12:31
VLAI?
Details
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.
Severity ?
8.8 (High)
{
"affected": [],
"aliases": [
"CVE-2023-6856"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-12-19T14:15:07Z",
"severity": "HIGH"
},
"details": "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 \u003c 115.6, Thunderbird \u003c 115.6, and Firefox \u003c 121.",
"id": "GHSA-9846-hqmr-2486",
"modified": "2023-12-22T12:31:46Z",
"published": "2023-12-19T15:30:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6856"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1843782"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202401-10"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2023/dsa-5581"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2023/dsa-5582"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2023-54"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2023-55"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2023-56"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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