{
  "cveId": "CVE-2020-23109",
  "url": "https://patchblox.com/security/cve/CVE-2020-23109",
  "summary": "CVE-2020-23109 is fixed in 4 products on 1 platform, first by heif-gdk-pixbuf 1.6.1-1ubuntu0.1~esm1, released May 5, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "heif-gdk-pixbuf: Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows att...",
  "description": "Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows attackers to cause a denial of service and disclose sensitive information, via a crafted HEIF file.",
  "published": "2021-11-03T10:15:00Z",
  "severity": "Medium",
  "epss": 0.01345,
  "epssPercentile": 0.71578,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "heif-gdk-pixbuf",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.6.1-1ubuntu0.1~esm1",
      "fix": "heif-gdk-pixbuf 1.6.1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-heif-gdk-pixbuf-1.6.1-1ubuntu0.1-esm1",
      "released": "2023-05-05T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "heif-thumbnailer",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.6.1-1ubuntu0.1~esm1",
      "fix": "heif-thumbnailer 1.6.1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-heif-thumbnailer-1.6.1-1ubuntu0.1-esm1",
      "released": "2023-05-05T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libheif-examples",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.6.1-1ubuntu0.1~esm1",
      "fix": "libheif-examples 1.6.1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libheif-examples-1.6.1-1ubuntu0.1-esm1",
      "released": "2023-05-05T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libheif1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.6.1-1ubuntu0.1~esm1",
      "fix": "libheif1 1.6.1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libheif1-1.6.1-1ubuntu0.1-esm1",
      "released": "2023-05-05T09:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}