{
  "schema_version": "1.4.0",
  "id": "GHSA-wx7p-737c-9wqw",
  "modified": "2025-04-12T13:07:54Z",
  "published": "2022-05-13T01:14:08Z",
  "aliases": [
    "CVE-2016-9942"
  ],
  "details": "Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9942"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LibVNC/libvncserver/pull/137"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201702-24"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4587-1"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2017/dsa-3753"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/95170"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-12-31T18:59:00Z"
  }
}