{
  "cveId": "CVE-2026-12034",
  "url": "https://patchblox.com/security/cve/CVE-2026-12034",
  "summary": "CVE-2026-12034 is fixed in chromium on 1 platform, first by DEBIAN-CVE-2026-12034, released June 24, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "chromium: Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 149.0.7827.115...",
  "description": "Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)",
  "published": "2026-06-11T22:16:55Z",
  "severity": "high",
  "cvss": 8.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
  "epss": 0.0018,
  "epssPercentile": 0.07617,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "149.0.7827.114-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-12034",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-12034",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "149.0.7827.114-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-12034",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-12034",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 14",
      "fixedVersion": "149.0.7827.114-1",
      "fix": "DEBIAN-CVE-2026-12034",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-12034",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "149.0.7827.155-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:21135-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21135-1",
      "released": "2026-08-31T08:40:45Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}